ci: create pages.yml

.github/workflows/pages.yml

@@ -0,0 +1,17 @@
+name: Deploy example to GitHub pages
+
+on:
+  push:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: subosito/flutter-action@v1
+      - uses: bluefireteam/flutter-gh-pages@v7
+        with:
+          workingDir: example
+          baseHref: /inspector/