feat: condensed user get endpoints

The process also added improved ORM relationships for multiple models.

src/user/schemas.py

@@ -5,6 +5,7 @@ Models:
  - List: Description
  - Models: Description
 """
+from typing import Optional
 from src.schemas import CustomBaseModel
 
 
@@ -44,6 +45,8 @@ class UserResponse(CustomBaseModel):
 	first_name: str
 	last_name: str
 	email: str
+	organisations: list[Optional[str]]
+	groups: dict[str, list[str]]
 
 
 class OrgResponse(CustomBaseModel):