v1.2.0-beta/fix git ignore

app/package.json

@@ -46,7 +46,7 @@
     "style-loader": "0.19.0",
     "sw-precache-webpack-plugin": "^0.11.5",
     "url-loader": "0.6.2",
-    "webpack-dev-server": ">=3.1.11",
+    "webpack-dev-server": "^3.11.0",
     "webpack-manifest-plugin": "2.0.4",
     "whatwg-fetch": "2.0.3"
   },
@@ -109,6 +109,6 @@
     "eslint-plugin-react-hooks": "^2.0.1",
     "mini-css-extract-plugin": "^0.8.0",
     "webpack": "^4.42.1",
-    "webpack-cli": "3.1.0"
+    "webpack-cli": "^3.3.11"
   }
 }