Add Strawberry GraphQL schema (#8)

backend/api.py

@@ -1,6 +1,5 @@
 from fastapi import FastAPI, Request
 from fastapi.responses import HTMLResponse
-
 from modal import Image, Stub, asgi_app
 
 web_app = FastAPI()

backend/graphql/query.py

@@ -0,0 +1,19 @@
+import strawberry
+from typing import List
+
+@strawberry.type
+class Book:
+    title: str
+    author: str
+
+def get_books():
+    return [
+        Book(
+            title="The Great Gatsby",
+            author="F. Scott Fitzgerald",
+        ),
+    ]
+
+@strawberry.type
+class Query:
+    books: List[Book] = strawberry.field(resolver=get_books)

backend/graphql/schema.py

@@ -0,0 +1,7 @@
+import strawberry
+
+from .query import Query
+
+schema = strawberry.Schema(
+    query=Query
+)