build: 增加自动编译 actions 脚本

.github/workflows/build.yml

@@ -0,0 +1,22 @@
+name: Auto Build CI
+
+on:
+  push:
+    branches:
+      - master
+      - dev-Actions
+
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v1
+    - name: Setup .NET Core
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: 2.2.108
+    - name: Build with dotnet
+      run: dotnet build src/admin/Bootstrap.Admin/ --configuration Release