Add initial migration for moderation app and resolve seed command issues

- Created an empty migration file for the moderation app to enable migrations.
- Documented the resolution of the seed command failure due to missing moderation tables.
- Identified and fixed a VARCHAR(10) constraint violation in the User model during seed data generation.
- Updated role assignment in the seed command to comply with the field length constraint.

apps/accounts/services.py

@@ -31,7 +31,7 @@ class UserDeletionService:
                 "is_active": False,
                 "is_staff": False,
                 "is_superuser": False,
-                "role": User.Roles.USER,
+                "role": "USER",
                 "is_banned": True,
                 "ban_reason": "System placeholder for deleted users",
                 "ban_date": timezone.now(),
@@ -178,7 +178,7 @@ class UserDeletionService:
             return False, "Superuser accounts cannot be deleted for security reasons. Please contact system administrator or remove superuser privileges first."
 
         # Check if user has critical admin role
-        if user.role == User.Roles.ADMIN and user.is_staff:
+        if user.role == "ADMIN" and user.is_staff:
             return False, "Admin accounts with staff privileges cannot be deleted. Please remove admin privileges first or contact system administrator."
 
         # Add any other business rules here