Check documentation in on-push workflow (#46)

Author: eryk171

.github/workflows/on-push.yml

@@ -14,6 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      # Build library
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
 
       - uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c
@@ -27,6 +28,7 @@ jobs:
       - name: Run library build
         run: npm run build
 
+        # Build and test example app
       - name: Install example dependencies
         run: cd example && npm ci
 
@@ -35,3 +37,14 @@ jobs:
 
       - name: Run example tests
         run: cd example && npm run test
+
+      # Check documentation
+      - name: Generate documentation
+        run: yarn build:docs
+
+      - name: Check for documentation changes
+        run: |
+          if [[ -n $(git status --porcelain | grep "README.md") ]]; then
+            echo "Documentation is not up to date!"
+            exit 1
+          fi

docs/README_BASE.md

@@ -174,4 +174,4 @@ useEffect(() => {
 >
   CustomEvent.trackEvent button
 </button>
-```
+```