🎉 Set up custom classic editor build from online builder

Slightly modified the order of toolbar, but otherwise the source code is exactly
as emitted by the online ckeditor builder.

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+.cache
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
+
+# build artifacts
+build

.nvmrc

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+20
+

LICENSE.md

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+Software License Agreement
+==========================
+
+Copyright (c) 2014-2023, CKSource Holding sp. z o.o. All rights reserved.
+
+Online builder code samples are licensed under the terms of the MIT License (see Appendix A):
+
+	http://en.wikipedia.org/wiki/MIT_License
+
+CKEditor 5 collaboration features are only available under a commercial license. [Contact us](https://ckeditor.com/contact/) for more details.
+
+Free 30-days trials of CKEditor 5 collaboration features are available:
+ * https://ckeditor.com/collaboration/ - Real-time collaboration (with all features).
+ * https://ckeditor.com/collaboration/comments/ - Inline comments feature (without real-time collaborative editing).
+ * https://ckeditor.com/collaboration/track-changes/ - Track changes feature (without real-time collaborative editing).
+
+Trademarks
+----------
+
+CKEditor is a trademark of CKSource Holding sp. z o.o. All other brand
+and product names are trademarks, registered trademarks or service
+marks of their respective holders.
+
+---
+
+Appendix A: The MIT License
+---------------------------
+
+The MIT License (MIT)
+
+Copyright (c) 2014-2023, CKSource Holding sp. z o.o.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

README.md

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+# CKEditor 5 editor generated with the online builder
+
+This repository presents a CKEditor 5 editor build generated by the [Online builder tool](https://ckeditor.com/ckeditor-5/online-builder)
+
+## Quick start
+
+1. Open the `sample/index.html` page in the browser.
+
+2. Fill the prompt with the license key. If you do not have the license key yet [contact us](https://ckeditor.com/contact/).
+
+## Configuring build
+
+Changes like changing toolbar items, changing order of icons or customizing plugin configurations should be relatively easy to make. Open the `sample/index.html` file and edit the script that initialized the CKEditor 5. Save the file and refresh the browser. That's all.
+
+*Note:* If you have any problems with browser caching use the `Ctrl + R` or `Cmd + R` shortcut depending on your system.
+
+However if you want to remove or add a plugin to the build you need to follow the next step of this guide.
+
+Note that it is also possible to go back to the [Online builder tool](https://ckeditor.com/ckeditor-5/online-builder) and pick other set of plugins. But we encourage you to try the harder way and to learn the principles of Node.js and CKEditor 5 ecosystems that will allow you to do more cool things in the future!
+
+### Installation
+
+In order to rebuild the application you need to install all dependencies first. To do it, open the terminal in the project directory and type:
+
+```
+npm install
+```
+
+Make sure that you have the `node` and `npm` installed first. If not, then follow the instructions on the [Node.js documentation page](https://nodejs.org/en/).
+
+### Adding or removing plugins
+
+Now you can install additional plugin in the build. Just follow the [Adding a plugin to an editor tutorial](https://ckeditor.com/docs/ckeditor5/latest/builds/guides/integration/installing-plugins.html#adding-a-plugin-to-an-editor)
+
+### Rebuilding editor
+
+If you have already done the [Installation](#installation) and [Adding or removing plugins](#adding-or-removing-plugins) steps, you're ready to rebuild the editor by running the following command:
+
+```
+npm run build
+```
+
+This will build the CKEditor 5 to the `build` directory. You can open your browser and you should be able to see the changes you've made in the code. If not, then try to refresh also the browser cache by typing `Ctrl + R` or `Cmd + R` depending on your system.
+
+## What's next?
+
+Follow the guides available on https://ckeditor.com/docs/ckeditor5/latest/framework/index.html and enjoy the document editing.
+
+## FAQ
+| Where is the place to report bugs and feature requests?
+
+You can create an issue on https://github.com/ckeditor/ckeditor5/issues including the build id - `lww840ocz75u-k80gz6y76ygd`. Make sure that the question / problem is unique, please look for a possibly asked questions in the search box. Duplicates will be closed.
+
+| Where can I learn more about the CKEditor 5 framework?
+
+Here: https://ckeditor.com/docs/ckeditor5/latest/framework/
+
+| Is it possible to use online builder with common frameworks like React, Vue or Angular?
+
+Not yet, but it these integrations will be available at some point in the future.