Uses envify to provide the api url

This removes the need to have the server also act as a proxy.
Jots a few more notes in the plugins docs
Adds a YouTube module

Not really caring about the UI a ton right now.
I am still hoping someone will help me redesign the whole project.
Fixes broken tests from new interceptor
Adds a few more ideas to the plugin docs
Points the default API URL to the correct port
WIP: Voice command in progress