Feature Request: Add Repository Language Color Indicators

[Pragzh]

Description

Currently, repositories are displayed without visual language indicators, making it harder for users to quickly identify technologies used in repositories.

Proposed Feature

Add GitHub-style language color dots beside repository language names.

Suggested Improvements
Show colored language dot
Match GitHub language colors
Improve repository card visual hierarchy
Add hover tooltip for language details
Example
● JavaScript
● TypeScript
● Python
Expected Outcome
Better repository readability
Improved UI aesthetics
Faster technology identification for users
Possible Files
RepositoryCard component
Dashboard repository section