Add rust ci.

.github/workflows/build.yml

@@ -0,0 +1,19 @@
+name: Build using Cargo
+
+on:
+  push:
+    paths-ignore:
+      - "**.md"
+    branches:
+      - main
+  pull_request:
+    paths-ignore:
+      - "**.md"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Build
+        run: cargo build --release