ci: add job to check the contracts are formatted and can be compiled (#…

…471)

.github/workflows/contracts.yml

@@ -0,0 +1,40 @@
+name: Contracts CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [ '**' ]
+
+env:
+  FOUNDRY_PROFILE: ci
+
+jobs:
+  check:
+    strategy:
+      fail-fast: true
+
+    name: Foundry project
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ./contracts
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Install Foundry
+        uses: foundry-rs/foundry-toolchain@v1
+        with:
+          version: stable
+
+      - name: Show Forge version
+        run: forge --version
+
+      - name: Run Forge fmt
+        run: forge fmt --check
+
+      - name: Run Forge build
+        run: forge build