Add a build github action.

Author: Ivorforce

.github/workflows/build.yml

@@ -0,0 +1,41 @@
+name: Build
+
+on:
+  workflow_call:
+  workflow_dispatch:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        target:
+          - { platform: linux, arch: x86_64, os: ubuntu-latest }
+#          - { platform: linux, arch: x86_32, os: ubuntu-22.04 }
+#          - { platform: linux, arch: arm64, os: ubuntu-22.04-arm }
+#          - { platform: linux, arch: arm32, os: ubuntu-22.04-arm }
+          - { platform: windows, arch: x86_64, os: windows-latest }
+#          - { platform: windows, arch: x86_32, os: windows-latest }
+#          - { platform: windows, arch: arm64, os: windows-latest }
+          - { platform: macos, arch: universal, os: macos-latest }
+
+    runs-on: ${{ matrix.target.os }}
+
+    steps:
+    - uses: actions/checkout@v4
+    - run: rustup toolchain install stable --profile minimal
+    - uses: Swatinem/rust-cache@v2
+      with:
+        prefix-key: "main"
+        save-if: ${{ github.ref == 'refs/heads/main' }}
+    - name: Build
+      run: cargo build --release --verbose
+    - name: Upload Artifact
+      uses: actions/upload-artifact@v4
+      with:
+        name: Monoteny-${{ matrix.target.platform }}-${{ matrix.target.arch }}
+        path: |
+          ${{ github.workspace }}/target/release/monoteny