add cargo workflow

.gitea/workflows/cargo.yaml

@@ -0,0 +1,23 @@
+name: Cargo Build & Test
+
+on:
+  push:
+  pull_request:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build_and_test:
+    name: Rust project - latest
+    strategy:
+      matrix:
+        toolchain:
+          - stable
+    steps:
+      - uses: actions/checkout@v3
+      - run: rustupsh=$(mktemp); curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs > $rustupsh && sh $rustupsh
+      - run: rustup update ${{ matrix.toolchain }} && rustup default ${{ matrix.toolchain }}
+      - run: cargo check --verbose
+      - run: cargo build --verbose
+      - run: cargo test --verbose