[chore] Better member join/leave event support, member by id support

[feature] Add FindRoleByName helper

[feature] Add support for role creation/deletion

[feature] Add valour start, role modifications

[feature] Add event mapping, add discord mapper

[feature] Start to events, README update

[feature] Member support

[feature] Add Channel, Role, Emoji listing

[feature] Embed templating, fixes, tests

[chore] Add option library, EditMessageContent

[feature] Add all server listing

[feature] Add shard support, different ID types

[feature] Add Route options, change contexts to a struct

[chore] Remove unnecessary AutocompleteHandler func

[feature] Rework autocomplete to work without discord dependencies