[V0.1 WORKING] Added chat, profile, & calendar screen implementations.

backend/modules/calendar/schemas.py

@@ -14,4 +14,11 @@ class CalendarEventResponse(CalendarEventCreate):
     user_id: int
 
     class Config:
-        from_attributes = True
+        from_attributes = True
+
+class CalendarEventUpdate(BaseModel):
+    title: str | None = None
+    description: str | None = None
+    start: datetime | None = None
+    end: datetime | None = None
+    location: str | None = None