added mode minimal for webpack dashboard

package.json

@@ -7,7 +7,7 @@
     "mockapi": "node jsonserver/server.js",
     "servdev": "NODE_ENV=development webpack-dev-server --watch --colors --inline --hot --progress",
     "servdevwindoz": "webpack-dev-server --watch --colors --inline --hot --progress",
-    "servdev-dashboard": "NODE_ENV=development webpack-dashboard -- webpack-dev-server --watch --colors --inline --hot --progress",
+    "servdev-dashboard": "NODE_ENV=development webpack-dashboard -m -- webpack-dev-server --watch --colors --inline --hot --progress",
     "build": "NODE_ENV=production webpack -p",
     "test": "echo \"Error: no test specified\" && exit 1"
   },