Add GET endpoint for /library

endpoints/library.get.py

@@ -0,0 +1,17 @@
+# Entity: Book
+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy.orm import Session
+from typing import List
+from core.database import get_db
+from core.models.book import Book
+from core.models.author import Author
+from core.schemas.book import BookSchema
+
+router = APIRouter()
+
+@router.get("/library", response_model=List[BookSchema], status_code=200)
+async def get_books_by_authors(
+    db: Session = Depends(get_db)
+):
+    books = db.query(Book).join(Author).all()
+    return books