Feature Request: Add code snippets library #4239

Feature Request

Is your feature request related to a problem? Please describe.
Currently, code snippets need to be managed externally. A built-in library would improve productivity.

Describe the solution you'd like
Add code snippets library:

• Snippet management
• Snippet sharing
• Snippet templates
• Snippet search
• Snippet versioning

Describe alternatives you've considered

• Integrate with existing snippet tools
• Add as a plugin
• Create a separate snippet service

Additional context
This would speed up development and improve code reuse.