Create rust.yml

start simple, only build and run tools

.github/workflows/rust.yml

@@ -0,0 +1,24 @@
+name: Rust
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: build tools
+      working-directory: ./tools
+      run: cargo build --verbose
+    - name: test tools
+      working-directory: ./tools
+      run: cargo test --verbose