Add CI for linting

.github/workflows/lint.yml

@@ -0,0 +1,53 @@
+name: Lint & Format
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  rust:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: stable
+          targets: aarch64-linux-android
+          components: rustfmt, clippy
+
+      - name: Check formatting
+        run: cargo fmt --all -- --check
+
+      - name: Install cargo-ndk
+        run: cargo install cargo-ndk
+
+      - name: Check clippy
+        run: cargo ndk -t arm64-v8a -- clippy --all --all-features --tests -- -D warnings
+
+  android:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4.2.1
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+
+      - uses: gradle/wrapper-validation-action@v2
+        name: Validate Gradle Wrapper
+
+      - name: Validate ktlint
+        run: ./gradlew ktlintCheck