Add docker build file for UI and associated Actions workflow

barkmanui/vite.config.ts

@@ -1,7 +1,13 @@
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
+import path from 'path'
 
 // https://vite.dev/config/
 export default defineConfig({
   plugins: [react()],
+  resolve: {
+    alias: [
+      { find: '@', replacement: path.resolve(__dirname, 'src') }
+    ]
+  }
 })