👷 add release ci

.github/workflows/nonebot_plugin_docs.yml

@@ -0,0 +1,40 @@
+name: Release Nonebot Plugin Docs
+
+on:
+  release:
+    types: [ published ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Setup Node
+        uses: actions/setup-node@v1
+        with:
+          node-version: '12'
+      - run: npm ci
+      - name: Build Docs
+        env:
+          VUEPRESS_BASE: '/docs/'
+        run: npx vuepress build docs --dest packages/nonebot-plugin-docs/nonebot_plugin_docs/dist
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+          architecture: "x64"
+      - name: Install Poetry
+        run: |
+          python -m pip install --upgrade pip
+          pip install poetry
+
+      - name: Publish Package
+        run: |
+          export NONEBOT_VERSION=`poetry version -s`
+          cd packages/nonebot-plugin-docs/
+          poetry version $NONEBOT_VERSION
+          poetry build
+          poetry publish -u ${{secrets.PYPI_USERNAME}} -p ${{secrets.PYPI_PASSWORD}}