added workflow for gallery (hpcaitech#326)

* added workflow for gallery

* polish

.github/workflows/github_page.yaml

@@ -0,0 +1,42 @@
+name: GitHub Pages
+
+on:
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    runs-on: ubuntu-22.04
+    permissions:
+      contents: write
+    concurrency:
+      group: ${{ github.workflow }}-${{ github.ref }}
+    steps:
+      - uses: actions/checkout@v3
+        ref: gallery
+
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 18.6
+
+      - name: Get yarn cache
+        id: yarn-cache
+        run: echo "YARN_CACHE_DIR=$(yarn cache dir)" >> "${GITHUB_OUTPUT}"
+
+      - name: Cache dependencies
+        uses: actions/cache@v3
+        with:
+          path: ${{ steps.yarn-cache.outputs.YARN_CACHE_DIR }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn
+
+      - run: yarn install
+      - run: yarn build
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./build