start script does not upload in development mode

[TheWebTech]

trafficstars

yarn start

Does not use development mode, so you can't use the vue browser extension to debug your code.

https://github.com/HubSpot/cms-vue-boilerplate/blob/0ae098e3aad35c294e36e9557e2ddc3c710b9f6e/package.json#L10

[angrynerds-beniamin]

@TheWebTech I was using "--mode development" until my main.js file exceeded 1.5MiB and I was unable to upload it to Hubspot:

Now I can't work on my app anymore. I think this is a reason why devs didn't add configuration with "--mode development" to package.json.