added dotnet

.gitea/workflows/ci.yml

@@ -6,11 +6,9 @@ jobs:
         runs-on: ubuntu-latest
         steps:
           - uses: actions/checkout@v4
-          - name: Printing hello
-            run: gcc -Wall -Werror main.c
-          - name: Archive production atrifacts
-            uses: actions/upload-artifact@v3
+          - uses: actions/setup-dotnet@v3
             with:
-              name: program
-              path: program
+              dotnet-version: '6.0.x'
+          - run: dotnet restore
+          - run: dotnet build