Feat - Separate embed settings and add multiple embeds

[nushea]

Description

This PR proposes the moving of embed settings to their own category under General:

Additionally it adds multiple embeds in one message:

Showing them all is however just a setting that may be turned off (it is on by default) since the embeds respect the aspect ratio of the thumbnail so a list of embeds may be uneven which might appear unaesthetic to some, as per this example:

Fixes #

Type of change

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• My changes generate no new warnings

AI disclosure:

• Partially AI assisted (clarify which code was AI assisted and briefly explain what it does).
• Fully AI generated (explain what all the generated code does in moderate detail).

My pathological avoiding anxiety has empowered me to create this instead of doing a more important task.

[nushea]

The merge has somehow been broken by #695 but ive fixed it so its good now