feat: add skills and workspace files

- Add complete skill set including feishu, github, ci-gen, etc.
- Add workspace documentation (AGENTS.md, SOUL.md, etc.)
- Add memory system and project context

skills/github-action-gen/README.md

@@ -0,0 +1,32 @@
+# ai-github-action
+
+Generate GitHub Actions workflows from plain English. Stop copy-pasting from StackOverflow.
+
+## Install
+
+```bash
+npm install -g ai-github-action
+```
+
+## Usage
+
+```bash
+npx ai-github-action "test and deploy on push to main"
+npx ai-github-action "run eslint and prettier on PRs" --install
+npx ai-github-action "build docker image and push to ECR" -o deploy.yml
+```
+
+## Options
+
+- `--install` - Write directly to `.github/workflows/`
+- `-o, --output <file>` - Write to specific file
+
+## Setup
+
+```bash
+export OPENAI_API_KEY=sk-...
+```
+
+## License
+
+MIT