move desktop -> app

app/webpack.renderer.config.ts

@@ -0,0 +1,19 @@
+import type { Configuration } from 'webpack'
+
+import { rules } from './webpack.rules'
+import { plugins } from './webpack.plugins'
+
+rules.push({
+  test: /\.css$/,
+  use: [{ loader: 'style-loader' }, { loader: 'css-loader' }, { loader: 'postcss-loader' }],
+})
+
+export const rendererConfig: Configuration = {
+  module: {
+    rules,
+  },
+  plugins,
+  resolve: {
+    extensions: ['.js', '.ts', '.jsx', '.tsx', '.css'],
+  },
+}