ci: add build check workflow (#71)

Signed-off-by: Guoguo <i@qwq.trade>

.github/workflows/build.yml

@@ -0,0 +1,21 @@
+name: build
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+
+      - name: Build
+        run: make build-all