Add qa workflow

.github/workflows/qa.yaml

@@ -0,0 +1,36 @@
+name: 'qa'
+on: [push, pull_request]
+
+jobs:
+  tests:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-22.04, windows-2022, macos-14]
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+
+    - name: 'Install toolchain'
+      uses: dtolnay/rust-toolchain@stable
+
+    - name: 'Test'
+      run: cargo test --all-targets
+
+  formatting:
+    runs-on: ubuntu-22.04
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: true
+
+    - name: 'Install toolchain'
+      uses: dtolnay/rust-toolchain@stable
+      with:
+        components: rustfmt
+
+    - name: 'Check Formatting'
+      run: | 
+        cargo fmt -- --check