ci: add workflow

.github/workflows/build.yml

@@ -0,0 +1,46 @@
+# SPDX-FileCopyrightText: 2024 Phoenix R&D GmbH <[email protected]>
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+name: Build and test Rust code
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+on:
+  pull_request:
+    branches: ["main"]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  rust-build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install cargo-machete
+        uses: taiki-e/install-action@cargo-machete
+      - name: Run cargo-machete
+        run: cargo machete
+
+      - name: Checkout Rust code
+        uses: actions/checkout@v4
+
+      - name: Set up Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: stable
+          components: clippy, rustfmt
+
+      - name: Rustfmt
+        run: cargo fmt --check
+
+      - name: Clippy
+        run: cargo clippy --locked --all-targets -D warnings
+
+      - name: Build
+        run: cargo build --verbose
+
+      - name: Tests
+        run: cargo test --verbose