Update build scripts for multiple webpack entrypoints, add file-based build caching, set build mode to none

package.json

@@ -4,7 +4,10 @@
   "description": "View streams in a grid",
   "main": "./.webpack/main",
   "scripts": {
-    "build": "webpack",
+    "build:main": "webpack --config webpack.main.config.js",
+    "build:renderer": "webpack --config webpack.renderer.config.js",
+    "build:web": "webpack --config webpack.web.config.js",
+    "build": "npm run build:main & npm run build:renderer & npm run build:web",
     "prune": "rm -rf dist",
     "start": "electron-forge start",
     "start-local": "npm run build -- --stats=errors-only && electron dist --control.address=http://localhost:4444 --control.username=streamwall --control.password=local-dev",

webpack.base.config.js

@@ -1,4 +1,5 @@
 module.exports = ({ babel }) => ({
+  mode: 'none',
   module: {
     rules: [
       {
@@ -45,5 +46,8 @@ module.exports = ({ babel }) => ({
     reasons: true,
     errorDetails: true,
     warnings: true,
-  }
+  },
+  cache: {
+    type: 'filesystem',
+  },
 })