add build test

.gitea/workflows/build_test.yaml

@@ -0,0 +1,12 @@
+name: build test
+on: [push]
+
+jobs:
+  build:
+    runs-on: arch
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      
+      - name: Build
+        run: make