ci: setup server ci

.github/workflows/server.yml

@@ -0,0 +1,24 @@
+name: Server checks
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  server-checks:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ./server
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+          components: rustfmt, clippy
+      - name: Format
+        run: cargo fmt
+      - name: Clippy
+        run: cargo clippy