Add auto reload to main part

package.json

@@ -8,7 +8,7 @@
     "build-renderer": "cross-env NODE_ENV=production webpack --config webpack.renderer.prod.config.js",
     "build": "npm run build-main && npm run build-renderer",
     "start-renderer-dev": "webpack-dev-server --config webpack.renderer.dev.config.js",
-    "start-main-dev": "webpack --config webpack.main.config.js && electron ./dist/main.js",
+    "start-main-dev": "webpack --config webpack.main.config.js",
     "start-dev": "cross-env START_HOT=1 npm run start-renderer-dev",
     "prestart": "npm run build",
     "start": "electron .",
@@ -125,6 +125,7 @@
     "jest": "^24.8.0",
     "lint-staged": "^10.0.7",
     "node-sass": "^4.12.0",
+    "nodemon-webpack-plugin": "^4.3.1",
     "prettier": "^1.18.2",
     "react-hot-loader": "^4.8.8",
     "react-test-renderer": "^16.8.6",

webpack.main.config.js

@@ -2,11 +2,13 @@ const path = require('path');
 const webpack = require('webpack');
 const merge = require('webpack-merge');
 const ForkTsCheckerWebpackPlugin = require('fork-ts-checker-webpack-plugin');
+const NodemonPlugin = require('nodemon-webpack-plugin');
 
 const baseConfig = require('./webpack.base.config');
 
 module.exports = merge.smart(baseConfig, {
     target: 'electron-main',
+    watch: true,
     entry: {
         main: './src/main/main.ts'
     },
@@ -39,6 +41,10 @@ module.exports = merge.smart(baseConfig, {
         }),
         new webpack.DefinePlugin({
             'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV || 'development')
+        }),
+        new NodemonPlugin({
+            watch: path.resolve('./dist'),
+            exec: "electron ./dist/main.js"
         })
     ]
 });