Use Kagi search as search provider?

[Gandalf-the-Blue]

Is your feature request related to a problem? Please describe.
Instead of using SearxNG using Kagi would be a good alternative. Kagi is a privacy respecting search engine.

Describe the solution you'd like
Ability to use Kagi as a search provider and add the Kagi API key.

Describe alternatives you've considered
NA

Additional context
NA