Add build for TypeScript Blob functions (#86)

Author: marcduiker

.github/workflows/typescript.yml

@@ -0,0 +1,28 @@
+name: 'TypeScript builds'
+on:
+  pull_request:
+      types: [opened, edited, synchronize, reopened]
+      paths:
+        - 'src/typescript/**'
+        - '.github/workflows/typescript.yml'
+  workflow_dispatch:
+
+jobs:
+  Application:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [10.x, 12.x, 14.x]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: 'Build Blob Function'
+        shell: bash
+        run: |
+          pushd './src/typescript/AzureFunctions.Blob'
+          npm ci
+          npm run build --if-present
+          popd