Create build_and_test_macos.yml

.github/workflows/build_and_test_macos.yml

@@ -0,0 +1,28 @@
+name: Build and test [MacOS]
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@master
+
+      - name: Set up dotnet core
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: | 
+            2.1.x
+            6.0.x
+            8.0.x
+            
+      # Build the release build
+      - name: Build the solution
+        run: dotnet build -c Release src/UglyToad.PdfPig.sln
+
+      - name: Run the tests
+        run: dotnet test -c Release src/UglyToad.PdfPig.sln