[FEATURE]: Font size adjustment

[ArtClark]

Feature hasn't been suggested before.

• I have verified this feature I'm about to request hasn't been suggested before.

Describe the enhancement you want to request

Sure, setting font size might be nice, but also allowing CTRL+mousewheel, CTRL++, CTRL+- shortcuts.

[github-actions]

This issue might be a duplicate of existing issues. Please check:

• [FEATURE]:hope the Windows desktop app will support adjusting the font size. #16145: Feature request to adjust font size in the Windows desktop app
• [FEATURE]: add file viewer font size setting #16487: Feature request to add font size setting (file viewer)
• [FEATURE]: Add font customization support to opencode.json config #12503: Feature request for font customization support in config
• **Feature Request: Persist default font size / zoom level in OpenCode Desktop** #10423 (closed): Feature request to persist default font size / zoom level in OpenCode Desktop
• [FEATURE]:Add zoom functionality to the client #17708 (closed): Feature request to add zoom functionality to the client

If your request covers new ground or is distinct from the above, please clarify how it differs.