adds doc deploy action

Author: mattxwang

.github/workflows/deploy-docs.yml

@@ -0,0 +1,29 @@
+name: Build and Deploy Docs
+on:
+  push:
+    branches:
+      - master
+jobs:
+  build-and-deploy-docs:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/[email protected]
+      - name: Setup Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: '14.x'
+      # Pre-check to validate that versions match between package.json
+      # and package-lock.json. Needs to run before npm install
+      - name: Validate package.json and package-lock.json versions
+        run: node version-check.js
+      - name: Install dependencies
+        run: npm ci
+      - name: Build docs
+        run: npm run docs
+
+      - name: Deploy docs
+        uses: JamesIves/[email protected]
+        with:
+          branch: gh-pages # The branch the action should deploy to.
+          folder: docs # The folder the action should deploy.