Update KubeRocketCI names and documentation links

[daniil-nedostup]

Is your feature request related to a problem? Please describe.
The edp-nexus-operator component currently uses the name 'EDP' instead of 'KubeRocketCI'. This inconsistency can lead to confusion and outdated references in the documentation.

Describe the solution you'd like
Update the name from 'EDP' to 'KubeRocketCI' in the edp-nexus-operator component. Additionally, update the documentation link to the new URL: https://docs.kuberocketci.io/.

Describe alternatives you've considered
No alternative solutions are needed as the name and documentation link updates are straightforward and necessary for alignment.

Additional context
Ensure consistency and accuracy across the edp-nexus-operator component, and test the updates to verify proper implementation.