feat: add font selection feature with FontControl component

[devdignesh]

Description

• Adds a font selection feature to allow users to choose fonts for code snippets, synced with the URL hash.

Changes

• Added fontAtom with atomWithHash to manage font state and URL sync.
• Created FontControl component with a dropdown for font selection.
• Updated Editor to prioritize theme font, then user-selected font, defaulting to JetBrains Mono.
• Ensured fonts align with existing CSS classes.

Testing

• Tested font changes update the editor and URL hash correctly.
• Verified theme font overrides user selection when defined.
• Confirmed default font applies when no theme font or user selection.

[vercel]

@devdignesh is attempting to deploy a commit to the Raycast Team on Vercel.

A member of the Team first needs to authorize it.

[saadh393]

Now it's correct