Add allowed_mentions to respond and author to context

[LilJess13]

Added Allowed Mentions to interaction responses
Added author to context for consistency with dpy

Summary

Checklist

• If code changes were made then they have been tested.
  • I have updated the documentation to reflect the changes.
• This PR fixes an issue.
• This PR adds something new (e.g. new method or parameters).
• This PR is a breaking change (e.g. methods or parameters removed/renamed)
• This PR is not a code change (e.g. documentation, README, ...)

[BobDotCom]

Please add documentation for this

[LilJess13]

Documentation was added

[CodeWithSwastik]

Thanks 👍