[Dropbox][The Blue Cloud] Extension Renamed + new OAuth ID

[xmok]

Description

To get approved for OAuth we need to comply with Dropbox Branding Guidelines so we are renaming the extension and giving it a new logo - no functionality has changed.

Screencast

N/A

Checklist

• [x] I read the extension guidelines
• [x] I read the documentation about publishing
• [x] I ran npm run build and tested this distribution build in Raycast
• [x] I checked that files in the assets folder are used by the extension itself
• [x] I checked that assets used by the README are placed outside of the metadata folder