add openvr as a backend

.github/workflows/build.yml

@@ -0,0 +1,38 @@
+
+name: build
+
+on:
+  pull_request:
+  merge_group:
+
+jobs:
+  build-windows:
+    runs-on: windows-2022
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          submodules: 'true'
+
+      - name: Build
+        run: cargo build
+
+  build-linux:
+    continue-on-error: true
+    strategy:
+      matrix:
+        os: [ubuntu-24.04-arm, ubuntu-24.04]
+
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          submodules: 'true'
+      - name: Setup Tools
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y pkg-config libxkbcommon-dev
+
+      - name: Build
+        run: cargo build