phsl / new-api

- Refactor api_info.go to console.go for broader console settings support
- Update URL regex pattern to accept both domain names and IP addresses
- Add support for IPv4 addresses with optional port numbers
- Improve validation to handle formats like http://192.168.1.1:8080
- Add ValidateConsoleSettings function for extensible settings validation
- Maintain backward compatibility with existing ValidateApiInfo function
- Add comprehensive comments explaining supported URL formats

Fixes issue where IP-based URLs were incorrectly rejected as invalid format.
Prepares infrastructure for additional console settings validation.