fix: Don't mangle class names in production

package.json

@@ -60,10 +60,10 @@
     "@babel/plugin-proposal-decorators": "^7.10.5",
     "@babel/plugin-transform-destructuring": "^7.10.4",
     "@babel/plugin-transform-regenerator": "^7.10.4",
+    "@babel/polyfill": "^7.10.4",
     "@babel/preset-env": "^7.11.0",
     "@babel/preset-flow": "^7.10.4",
     "@babel/preset-react": "^7.10.4",
-    "@babel/polyfill": "^7.10.4",
     "@babel/register": "^7.10.5",
     "@rehooks/window-scroll-position": "^1.0.1",
     "@sentry/node": "^5.12.2",
@@ -180,6 +180,7 @@
     "nodemon": "^1.19.4",
     "prettier": "^2.0.5",
     "rimraf": "^2.5.4",
+    "terser-webpack-plugin": "^4.1.0",
     "url-loader": "^0.6.2",
     "webpack": "4.44.1",
     "webpack-cli": "^3.3.12",
@@ -190,4 +191,4 @@
     "js-yaml": "^3.13.1"
   },
   "version": "0.45.0"
-}
+}