ci: add build action

.github/workflows/build.yml

@@ -0,0 +1,30 @@
+name: Rust
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v3
+    - name: Setup cargo post
+      uses: baptiste0928/cargo-install@bf6758885262d0e6f61089a9d8c8790d3ac3368f
+      with:
+        crate: cargo-post
+    - name: Build dynamic library
+      run: cargo post build --release --package librashader-capi
+    - name: Upload a Build Artifact
+      uses: actions/upload-artifact@v3.1.2
+      with:
+        name: build-outputs
+        path: "target"