Added github files, readme

Author: james-pre

.github/codeowners

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+* @james-pre

.github/funding.yml

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+github: [james-pre]

.github/workflows/ci.yaml

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+name: Continuous Integration
+
+on:
+    push:
+        branches:
+            - main
+    workflow_dispatch:
+    workflow_call:
+    pull_request:
+
+jobs:
+    ci:
+        name: CI
+        runs-on: ubuntu-latest
+        defaults:
+            run:
+                shell: bash
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v4
+
+            - name: Set up Node.js
+              uses: actions/setup-node@v4
+              with:
+                  node-version: 22
+
+            - name: Install dependencies
+              run: npm install
+
+            - name: Formatting
+              run: npm run format:check
+
+            - name: Build
+              run: npm run build --verbose

.github/workflows/release.yaml

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+name: Release
+on:
+    release:
+        types: [created]
+jobs:
+    ci:
+        name: CI Checks
+        uses: ./.github/workflows/ci.yaml
+    release:
+        name: Publish
+        needs: ci
+        runs-on: ubuntu-latest
+        permissions:
+            id-token: write
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v4
+
+            - name: Setup npm authentication
+              uses: actions/setup-node@v4
+              with:
+                  node-version: 22
+                  registry-url: https://registry.npmjs.org/
+
+            - name: Install dependencies
+              run: npm install
+
+            - name: Build
+              run: npm run build
+
+            - name: Publish
+              run: npm publish --access=public --provenance
+              env:
+                  NODE_AUTH_TOKEN: ${{secrets.npm_token}}

README.md

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+# ZenFS bundles
+
+`@zenfs/bundle` provides a collection of bundles for ZenFS packages.
+
+> [!CAUTION]  
+> **You should not use these bundles in production.**
+>
+> You will miss security updates for dependencies, tree shaking, and the ability to customize your own build process