Add GitHub Actions workflow for VHDL build.

Author: yezzfusl

.github/workflows/vhdl_build.yml

@@ -0,0 +1,22 @@
+name: Test 
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+
+    - name: Test
+      run: echo "test"
+
+