chore: add GitHub Actions

.github/workflows/rust.yml

@@ -0,0 +1,26 @@
+name: Rust
+
+on:
+  push:
+    branches: [ "dev" ]
+  pull_request:
+    branches: [ "dev" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: dtolnay/rust-toolchain@master
+      with:
+        toolchain: nightly
+        targets: riscv64imac-unknown-none-elf
+        components: clippy
+    - name: Build
+      run: cargo build --verbose
+    - name: Clippy
+      run: cargo clippy
+