Maint: Add GH workflow for deploying storybook to Github Pages

.github/workflows/storybook.yml

@@ -0,0 +1,28 @@
+name: Deploy Storybook
+on:
+  pull_request:
+    types: [closed]
+    branches:
+      - main
+    paths: ['src', 'examples/stories/**'] # Trigger the action only when files change in the folders defined here
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    if: github.event.pull_request.merged == true
+    steps:
+      - name: Checkout 🛎️
+        uses: actions/checkout@v2
+        with:
+          persist-credentials: false
+      - name: Install and Build 🔧
+        run: | # Install npm packages and build the Storybook files
+          npm install
+          npm run build-storybook
+      - name: Deploy 🚀
+        uses: JamesIves/github-pages-deploy-action@3.6.2
+        with:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          BRANCH: main # The branch the action should deploy to.
+          FOLDER: docs-build # The folder that the build-storybook script generates files.
+          CLEAN: true # Automatically remove deleted files from the deploy branch
+          TARGET_FOLDER: docs # The folder that we serve our Storybook files from