Custom Dev Servers

Using the discord API to make 100& (or more like 44.235%) custom Servers. 
it would work by using the API, and defining some things like the chat bar, (where you type your messages), the chat bar has the predefined things like: sending messages, typing messages, emojis ect. but with the api, you could make the chat bar on your own server, pink instead of discord blue. however the one downside to this is that the api will have to be accustomed to .html documents instead of the regular .js documents.