auto build & deploy to firebase

.github/workflows/firebase-hosting-merge.yml

@@ -0,0 +1,20 @@
+# This file was auto-generated by the Firebase CLI
+# https://github.com/firebase/firebase-tools
+
+name: Deploy to Firebase Hosting on merge
+on:
+	push:
+		branches:
+			- dev
+jobs:
+	build_and_deploy:
+		runs-on: ubuntu-latest
+		steps:
+			- uses: actions/checkout@v2
+			- run: cd source && yarn install && yarn build
+			- uses: FirebaseExtended/action-hosting-deploy@v0
+			  with:
+				  repoToken: "${{ secrets.GITHUB_TOKEN }}"
+				  firebaseServiceAccount: "${{ secrets.FIREBASE_SERVICE_ACCOUNT_DEVELOPOMP_SITE }}"
+				  channelId: live
+				  projectId: developomp-site