[Refactor]: Add colored CLI output for better readability

[anjalimahajan2603]

📜 Description

Improve CLI user experience by adding colored output:

• Green for success messages
• Red for errors
• Yellow for warnings
• Blue for info/debug

👟 Relevant files

The current CLI output is plain text, making it harder to distinguish between success, error, and warning logs.

Adding color improves usability and aligns with common CLI standards (e.g., npm, git).

• Use a lightweight library like chalk or kleur for coloring
• Update CLI commands to include consistent color usage
• Ensure colors degrade gracefully in non-color terminals

[DaveKavya]

Hi, I'm kavya and I’m new to open source and interested in working on this issue. Could you please assign it to me?