[Feature]: Improve readability and documentation of admin site module #5364

Problem Statement

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

Proposed Solution

• Organized imports according to PEP8
• Added docstrings for key components:
  • ESPAdminSite
  • logout method
  • autodiscover function
• Added comments explaining custom admin behavior

• Minor formatting improvements

Alternatives Considered

No response

Additional Context

No response