ci(actions): add doc deployment action

.github/workflows/docs.yml

@@ -0,0 +1,44 @@
+name: deploy docs
+
+on:
+  push:
+    paths:
+      - 'docs/**'
+    branches:
+      - master
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    runs-on: ubuntu-20.04
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true  # Fetch Hugo themes (true OR recursive)
+          fetch-depth: 0    # Fetch all history for .GitInfo and .Lastmod
+      - name: Setup Golang env
+        uses: actions/setup-go@v3
+        with:
+          go-version-file: go.mod
+          cache: true
+      - name: Generate CLI docs
+        run: go run main.go gen doc -d docs/content/en/docs/more/cli
+      - name: Setup Hugo
+        uses: peaceiris/actions-hugo@v2
+        with:
+          hugo-version: '0.119.0'
+          extended: true
+
+      - name: Build
+        run: |
+          cd docs
+          hugo --minify
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        if: github.ref == 'refs/heads/master'
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./docs/public