Add test build workflow

Co-authored-by: h1dden-da3m0n <33120068+h1dden-da3m0n@users.noreply.github.com>

.github/workflows/build-dotnet.yml

@@ -0,0 +1,31 @@
+name: Test Build Plugin
+
+on:
+  push:
+    branches: [ master ]
+    paths-ignore:
+      - '**/*.md'
+  pull_request:
+    branches: [ master ]
+    paths-ignore:
+      - '**/*.md'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Setup .NET Core
+        uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: 5.0.x
+
+      - name: Install dependencies
+        run: dotnet restore
+
+      - name: Build
+        run: dotnet build --configuration Release
+
+      - name: Test
+        run: dotnet test --no-restore --verbosity normal