[Enhancement] Add an official API

[CyR1en]

Minecordbot API

Minecordbot should have an official API for its different features to allow other developers to easily integrate with Minecordbot.

The Following Should Have an API

Feature	Description
MCBSync	Allow other developers to access synced accounts.
Chat	Allow other developers to send message to Discord through Minecordbot.
Command Framework	Allow other developers to make their own Discord command.
Configuration	Allow other developers to access some aspects of the configuration. not all
Permission	Allow other developers to access Permission flags of a role and edit them. possibly for syncing players in game role

Distribution

The API will be on a separate repository and it will only contain necessary classes for integration. This could also be published on a maven repository so it could be used with most of build automation tools out there like Maven or Gradle.