Add hard-source webpack plugin to main process

Signed-off-by: Hung-Han (Henry) Chen <1474479+chenhunghan@users.noreply.github.com>

webpack.main.ts

@@ -4,6 +4,7 @@ import ForkTsCheckerPlugin from "fork-ts-checker-webpack-plugin"
 import { isDevelopment, isProduction, mainDir, buildDir } from "./src/common/vars";
 import nodeExternals from "webpack-node-externals";
 import ProgressBarPlugin from "progress-bar-webpack-plugin";
+import HardSourceWebpackPlugin from 'hard-source-webpack-plugin';
 
 export default function (): webpack.Configuration {
   console.info('WEBPACK:main', require("./src/common/vars"))
@@ -47,6 +48,7 @@ export default function (): webpack.Configuration {
     plugins: [
       new ProgressBarPlugin(),
       new ForkTsCheckerPlugin(),
+      isDevelopment && new HardSourceWebpackPlugin(),
     ]
   }
 }