add ci-build workflow

.forgejo/workflows/ci-build.yml

@@ -0,0 +1,21 @@
+name: CI Build
+on:
+  push:
+    branches: [main]
+jobs:
+  build:
+    runs-on: [self-hosted]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build
+        run: |
+          if [ -f "go.mod" ]; then
+            echo "Detected Go project"
+            go build ./...
+            go test ./...
+          elif [ -f "Cargo.toml" ]; then
+            echo "Detected Rust project"
+            cargo build --release
+          else
+            echo "No build system found"
+          fi