Adding cross build to CI

.github/workflows/ci.yml

@@ -0,0 +1,53 @@
+name: "CI"
+on:
+  pull_request:
+    branches:
+      - main
+      - develop
+  push:
+    branches:
+      - main
+      - develop
+  workflow_dispatch:
+jobs:
+  test:
+    name: Cargo build (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [windows-latest, macos-latest, ubuntu-latest]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+      - name: Test
+        run: cargo test
+  cross:
+    name: Cargo cross build (${{ matrix.target }})
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        target:
+          - aarch64-unknown-linux-gnu
+          - x86_64-unknown-linux-musl
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo install cross
+      - name: Build
+        run: cross build --target ${{ matrix.target }}
+  nix:
+    name: Nix build
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: cachix/install-nix-action@v25
+      with:
+        github_access_token: ${{ secrets.GITHUB_TOKEN }}
+        nix_path: nixpkgs=channel:nixos-23.11
+    - uses: DeterminateSystems/magic-nix-cache-action@v2
+    - run: nix build
+    - run: nix flake check