add: test action

.gitea/workflows/unit-test.yaml

@@ -0,0 +1,19 @@
+name: Run unit test
+on: [ push ]
+
+jons:
+    Unit-Test:
+        runs-on: archlinux
+        steps:
+            -   name: Check out repository code
+                uses: https://git.rrricardo.top/actions/checkout@v4
+            -   name: Cache nuget packages
+                uses: https://git.rrricardo.top/actions/cache@v4
+                with:
+                    path: ~/.nuget/packages
+                    key: ${{ runner.os }}-nuget
+                    save-always: true
+            -   name: Build code
+                run: dotnet build
+            -   name: Run test code
+                run: dotnet test