Added new endpoint for roles and updated users endpoints to work with roles

areas/apps/models.py

@@ -1,4 +1,5 @@
 from sqlalchemy import ForeignKey, Integer, String
+from sqlalchemy.orm import relationship
 from database import db
 
 
@@ -25,5 +26,7 @@ class AppRole(db.Model):
     app_id = db.Column(Integer, ForeignKey("app.id"), primary_key=True)
     role_id = db.Column(Integer, ForeignKey("role.id"))
 
+    role = relationship("Role")
+
     def __repr__(self):
-        return f"{self.role} for {self.user_id} on {self.app_id}"
+        return f"role_id: {self.role_id}, user_id: {self.user_id}, app_id: {self.app_id}, role: {self.role}"