Add github actions to landing-page-jest branch. And run jest tests

.github/workflows/build-and-test.yml

@@ -2,7 +2,7 @@ name: Build and Test
 
 on:
   push:
-    branches: [ main ]
+    branches: [ main, landing-page-jest ]
 
 jobs:
   test:
@@ -35,9 +35,13 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           bundler-cache: true
-      - name: Install dependencies
+      - name: Install rails dependencies
         run: bundle install
       - name: Create DB
         run: bundle exec rake db:test:prepare
       - name: Run tests
         run: bundle exec rake
+      - name: Install javascript dependencies
+        run: yarn install
+      - name: Run javascript tests
+        run: yarn test