Run tests using github actions

Author: coderpatros

.github/workflows/dotnetcore.yml

@@ -0,0 +1,25 @@
+name: .NET Core CI
+
+on: [pull_request]
+
+jobs:
+  test:
+    name: Tests on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+    timeout-minutes: 30
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Setup .NET Core 3.1
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: 3.1.101
+
+    - name: Build
+      run: dotnet build -warnaserror
+    - name: Tests
+      run: dotnet test