no issues
- adds new start-combined script which combines all chunks in `yarn start` for local portal development
- allows easier loading of local portal bundle in ghost via load-portal script, which needs to inject single script
- updates `yarn start:dev` to use updated script which uses the combined mode for better local development
refs
https://gist.github.com/simpixelated/90a3c16c3ed268fe24f5e5c9585ced2f
