ci: add rust.yml

.github/workflows/ci.yml

@@ -0,0 +1,36 @@
+name: CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  fmt:
+    name: Format
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Check
+        run: bash contrib/scripts/check-fmt.sh check
+
+  check-crate:
+    name: Check crate
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Install Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          flutter-version: 'latest'
+
+      - name: Check
+        run: bash contrib/scripts/check-crate.sh