CI notifications

.github/workflows/build-chat.yml

@@ -0,0 +1,35 @@
+name: "Build Chat"
+
+on:
+  workflow_run:
+    workflows:
+      - CI
+    types:
+      - completed
+    branches:
+      - master
+      - release/*
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: Setup Node.js 12.x
+      uses: actions/setup-node@v1.4.4
+      with:
+          node-version: "12.x"
+
+    - name: Build
+      run: yarn install && yarn run build
+      working-directory: .github/actions/build-chat
+
+    - name: Build Chat
+      uses: ./.github/actions/build-chat
+      with:
+        workflow_run_url: ${{ github.event.workflow_run.url }}
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        SLACK_TOKEN: ${{ secrets.SLACK_TOKEN }}