ci: add generate docs

.github/workflows/docs.yml

@@ -0,0 +1,26 @@
+name: Build and documentation
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build-and-deploy:
+    concurrency: ci-${{ github.ref }} # Recommended if you intend to make multiple deployments in quick succession.
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout 🛎️
+        uses: actions/checkout@v2
+
+      - name: Installing dependencies
+        run: npm install
+      - name: Generating docs
+        run: npm run docs
+
+      - name: Deploy 🚀
+        uses: JamesIves/github-pages-deploy-action@v4.2.5
+        with:
+          branch: gh-pages # The branch the action should deploy to.
+          folder: docs