feature: set up Firebase deploy

.github/workflows/deploy.yml

@@ -1,21 +0,0 @@
-name: Deploy to firebase
-
-on:
-  workflow_dispatch
-
-jobs:
-  release:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2-beta
-        with:
-          node-version: 12.7
-      - name: Deploy to Firebase
-        timeout-minutes: 10
-        run: |
-          npm ci --no-color --no-progress
-          npm run deploy:firebase
-        env:
-          CI: true
-

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

@@ -0,0 +1,22 @@
+# 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:
+      - master
+jobs:
+  build_and_deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - run: 'npm ci && npm run build:firebase:hosting'
+      - uses: FirebaseExtended/action-hosting-deploy@v0
+        with:
+          repoToken: '${{ secrets.GITHUB_TOKEN }}'
+          firebaseServiceAccount: '${{ secrets.FIREBASE_SERVICE_ACCOUNT_FB2ICAL_3051B }}'
+          channelId: live
+          projectId: fb2ical-3051b
+        env:
+          FIREBASE_CLI_PREVIEWS: hostingchannels

.github/workflows/firebase-hosting-pull-request.yml

@@ -0,0 +1,18 @@
+# This file was auto-generated by the Firebase CLI
+# https://github.com/firebase/firebase-tools
+
+name: Deploy to Firebase Hosting on PR
+'on': pull_request
+jobs:
+  build_and_preview:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - run: 'npm ci && npm run build:firebase:hosting'
+      - uses: FirebaseExtended/action-hosting-deploy@v0
+        with:
+          repoToken: '${{ secrets.GITHUB_TOKEN }}'
+          firebaseServiceAccount: '${{ secrets.FIREBASE_SERVICE_ACCOUNT_FB2ICAL_3051B }}'
+          projectId: fb2ical-3051b
+        env:
+          FIREBASE_CLI_PREVIEWS: hostingchannels