docs(projects): add README.md

Author: honghuangdc

packages/githublogen/README.md

@@ -0,0 +1,51 @@
+# githublogen
+
+Generate changelog for GitHub releases from [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/), powered by [changelogithub](https://github.com/antfu/changelogithub).
+
+Auto Generate CHANGELOG.md from [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/), powered by [changelogen](https://github.com/unjs/changelogen).
+
+## Usage
+
+In GitHub Actions:
+
+```yml
+# .github/workflows/release.yml
+
+name: Release
+
+permissions:
+  contents: write
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 16.x
+
+      - run: npx githublogen
+        env:
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+```
+
+It will be trigged whenever you push a tag to GitHub that starts with `v`.
+
+## Configuration
+
+You can put a configuration file in the project root, named as `githublogen.config.{json,ts,js,mjs,cjs}`, `.githublogenrc` or use the `githublogen` field in `package.json`.
+
+## Preview Locally
+
+```bash
+npx githublogen --dry
+```