[Feature]: Improve readability and documentation of admin site module #5369

Problem Statement

the readability and the structure of admin.py is not clear and organized.

Proposed Solution

• Organize imports according to PEP8
• Add docstrings to:
  • ESPAdminSite
  • logout method
  • autodiscover

function

• Add inline comments explaining custom behavior
• Minor formatting improvements for consisten

Alternatives Considered

No response

Additional Context

No response