Adds docs build workflow

.github/workflows/build-docs.yml

@@ -0,0 +1,14 @@
+name: Build Docs
+
+on: push
+
+jobs:
+  build_docs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: '21'
+      - run: npm ci
+      - run: npm run docs