update: guide for how to edit

README.md

@@ -1,5 +1,17 @@
 # InKCreThing Document (repo .github)
-This is the organzation-level document.
-We use VitePress as the document generator.
+This is the organzation-level document. \
+We use VitePress as the document generator. \
 You can clone the repo and edit it on your filesystem using Markdown.
 
+### How To
+1. clone this repo using git
+2. install nodejs(>18) runtime
+3. install nodejs package manager, we use pnpm
+4. install dependencies using your package manager
+5. editing document with `pnpm vitepress dev docs` for previewing
+6. commit changes to a new branch (better follow our [organization development guide](https://docs.inkcre-thing.hadream.ltd/development))
+7. create a PR (better create a draft PR before you start writing)
+    - set labels
+    - link to issues in comment or development(will close them)
+    - write description for your PR
+    - write comment for the changes you did