Add test Rust build script

.github/workflows/test-build.yml

@@ -0,0 +1,27 @@
+name: Rust
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+        
+    steps:
+    - name: Install Rust
+    - uses: hecrj/setup-rust-action@master
+      with:
+        rust-version: stable
+        
+    - name: Node/Yarn
+    - uses: actions/setup-node@v1
+      with:
+        node-version: '10.x'
+    - run: npm install -g yarn
+    
+    - uses: actions/checkout@latest
+    - name: Build
+      run: cargo build --verbose