feat: add index page and push to gh-pages (#1197)

.github/workflows/push-to-gh-pages.yml

@@ -0,0 +1,45 @@
+# Copyright 2020 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: GitHub Pages
+on:
+  push:
+    branches:
+      - main
+jobs:
+  push-gh-pages:
+    if: "!contains(github.event.head_commit.message, 'skip ci')"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          token: ${{ secrets.SYNCED_GITHUB_TOKEN_REPO }}
+      - uses: actions/cache@v2
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node
+      - run: npm ci
+      - run: npm run build
+      - name: include ignored files
+        run: |
+          rm -rf dist/samples/**/node_modules
+          rm -rf dist/samples/**/package-lock.json
+          rm -rf dist/samples/**/app/.gitignore
+      - name: push to gh-pages
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          personal_token: ${{ secrets.SYNCED_GITHUB_TOKEN_REPO }}
+          publish_dir: ./dist

README.md

@@ -39,6 +39,10 @@ For staging samples (not common), use Cloud Source Repositories which are contro
 4. `git push google`
 5. `git rev-parse --short HEAD` or visit the [bucket](https://console.cloud.google.com/storage/browser/geo-devrel-javascript-samples-staging).
 
+### Explore
+
+All samples can be explored at https://googlemaps.github.io/js-samples/.
+
 ## Other resources
 
 - [Google Maps JavaScript API Documentation](https://developers.google.com/maps/documentation/javascript/tutorial)