added examaple schema

app/schemas.py

@@ -1,8 +1,41 @@
-from pydantic import BaseModel
+from pydantic import BaseModel, Field
 
 class QAQuery(BaseModel):
-    context: str
-    question: str
+    """
+    Schema for the question-answering input.
+    """
+    context: str = Field(
+        ...,
+        example="The Eiffel Tower is a wrought-iron lattice tower on the Champ de Mars in Paris, France. It is named after the engineer Gustave Eiffel, whose company designed and built the tower.",
+        description="The text passage or document that contains the information needed to answer the question."
+    )
+    question: str = Field(
+        ...,
+        example="Who designed the Eiffel Tower?",
+        description="The question to be answered based on the provided context."
+    )
+
+    class Config:
+        schema_extra = {
+            "example": {
+                "context": "The Eiffel Tower is a wrought-iron lattice tower on the Champ de Mars in Paris, France. It is named after the engineer Gustave Eiffel, whose company designed and built the tower.",
+                "question": "Who designed the Eiffel Tower?"
+            }
+        }
 
 class QAResponse(BaseModel):
-    answer: str
+    """
+    Schema for the question-answering output.
+    """
+    answer: str = Field(
+        ...,
+        example="Gustave Eiffel",
+        description="The answer to the question based on the provided context."
+    )
+
+    class Config:
+        schema_extra = {
+            "example": {
+                "answer": "Gustave Eiffel"
+            }
+        }