Embed YDE and breaking changes

[RealYusufIsmail]

Summery

This pr aims to embed YDE lib into this repo in order for any changes to be reflected immediately in YDWK.

This as a result means that they all share one common gradle now.

YDE has also been split into two parts yde-api and yde-impl.

Majority class in impl are now internal.

This pr contains a hall list of breaking changes which include

• Integrated OkHttp with ktor
• All impls now import all variables in the constructor.
• All impls are called in the new EntityInstanceBuilderImpl class
• Majority of impls apart from some such as YDEImpl are now internal classes
• Reworked Message interaction system.
• Remove deprecated event method.
• A full cleanup of incorrect or outdated fields
• Improved the way websocket handles future. Uses Kotlins Job
• Added ability to call event listeners through

ydwk onSlasCommandEvent {}

All these changes aim to enhance the libraries performance and improve its list of features.

All these changes will be released under version 2.0.0-alpha.1

All other changes for version 2.0.0 such as full completion of entries and a fix to the voice system will be aimed to integrated in later prs.

See #169

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