feat : add IPAllocationPolicy and cilium customization on cloud kube

[atnbrg]

Description

Please include a summary of the changes and the related issue if applicable.

Fixes #xx (issue)

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Improvement (improvement of existing commands)
• Breaking change (fix or feature that can break a current behavior)
• Documentation update

Checklist:

• My code follows the style guidelines of this project
• I have commented my code
• I updated the documentation by running make doc
• I ran go mod tidy
• I have added tests that prove my fix is effective or that my feature works