PoC Electron app (#264)

Initial version of Electron wrapper + build pipeline

desktop/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" }],
+});
+
+export const rendererConfig: Configuration = {
+  module: {
+    rules,
+  },
+  plugins,
+  resolve: {
+    extensions: [".js", ".ts", ".jsx", ".tsx", ".css"],
+  },
+};