WIP: Add conditional questions - backend models and schemas updated

backend/app/schemas.py

@@ -97,6 +97,8 @@ class QuestionBase(BaseModel):
     allow_photos: bool = True
     max_photos: int = 3
     requires_comment_on_fail: bool = False
+    parent_question_id: Optional[int] = None
+    show_if_answer: Optional[str] = None
 
 class QuestionCreate(QuestionBase):
     checklist_id: int
@@ -113,6 +115,7 @@ class Question(QuestionBase):
         from_attributes = True
 
 
+
 # Inspection Schemas
 class InspectionBase(BaseModel):
     or_number: Optional[str] = None