✨ Refactoring with documentation

docs/github-actions-usage.md

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+# GitHub Actions Usage Guide
+
+Build Pake apps online without installing development tools locally.
+
+## Quick Steps
+
+### 1. Fork Repository
+
+[Fork this project](https://github.com/tw93/Pake/fork)
+
+### 2. Run Workflow
+
+1. Go to Actions tab in your forked repository
+2. Select `Build App With Pake CLI`
+3. Fill in the form (same parameters as [CLI options](cli-usage.md))
+4. Click `Run Workflow`
+
+![Actions Interface](https://gw.alipayobjects.com/zos/k/wf/XNWeAg.png)
+
+### 3. Download App
+
+- Green checkmark = build success
+- Click the workflow name to view details
+- Find `Artifacts` section and download your app
+
+![Build Success](https://gw.alipayobjects.com/zos/k/dd/QaGees.png)
+
+### 4. Build Times
+
+- **First run**: ~10-15 minutes (sets up cache)
+- **Subsequent runs**: ~5 minutes (uses cache)
+- Cache size: 400-600MB when complete
+
+## Tips
+
+- Be patient on first run - let cache build completely
+- Stable network connection recommended
+- If build fails, delete cache and retry
+
+## Links
+
+- [CLI Documentation](cli-usage.md)
+- [Advanced Usage](advanced-usage.md)