[FEAT] Add missing channel creation helper methods

[Mias15]

Library Version

5.8.0

Describe the Bug

create_forum_channel() and create_media_channel() is missing

Steps to Reproduce

try to create a forum/media channel without using the normal create_channel(channel_type=ChannelType.GUILD_FORUM/MEDIA) method

Expected Results

That they would be there

Minimal Reproducible Code

No response

Traceback

No response

Checklist

• I have searched the open issues for duplicates.
• I have shown the entire traceback, if possible.
• I have removed my token from display, if visible.
• I have attempted to debug this myself, and I believe this issue is with the library

Additional Information

No response

[AstreaTSS]

...that's a feature addition, not a bug.

[LordOfPolls]

https://github.com/interactions-py/interactions.py/blob/stable/interactions/models/discord/guild.py#L1012

create_forum_channel already exists and is documented

https://interactions-py.github.io/interactions.py/API%20Reference/API%20Reference/models/Discord/guild/#interactions.models.discord.guild.Guild.create_forum_channel

with that said, create media channel is missing and ill add that now

[i0bs]

@LordOfPolls willing to assign myself if you'd like

[Mias15]

@i0bs feel free to do so ^^