Implements the new integration context/types system

Adds `Integration_Types` and `Contexts` to `lib\discordgo\structs.go`'s `Integration` struct
Adds `IntegrationOwners` to `lib\discordgo\interactions.go`'s `Interaction` struct
Adds `UserInstalledGuild` to `lib\dcmd\data.go`'s `Data` struct
Implements the new `Integration_Types` and `Contexts` into `commands\slashcommands.go`'s `yagCommandToSlashCommand` function

Replaces integration with the proper word interaction according to documentation

Removes underscores from variables

Fixes a mistake made by blindly replacing all text

Modifies `bot\paginatedmessages\paginatedinteractions.go`'s `CreatePaginatedMessage` function to accept `dcmd.Data` and respond to original interaction accordingly