Use main branch for deploys. Rename workflow file to ci.yml

Author: Aaron Waggener

.github/workflows/build.yml

@@ -1,12 +1,13 @@
-name: Deploy
+name: Build and Deploy
 
 on:
+  pull_request:  
   push:
     branches:
       - main
 
 jobs:
-  deploy:
+  build_deploy:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -23,11 +24,11 @@ jobs:
           yarn test
           yarn build
           cp -r public/* dist
-      
+
       - name: Deploy
+        if: ${{ github.ref == 'refs/heads/main' }}
         uses: JamesIves/github-pages-deploy-action@4.1.5
         with:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           BRANCH: gh-pages
           FOLDER: dist
-          BUILD_SCRIPT: yarn install && yarn test && yarn build