added all missing endpoints

kontor-api/src/apis/version1/bookshelf/bookauthor.py

@@ -0,0 +1,19 @@
+from typing import List
+
+from fastapi import APIRouter
+
+from src.db.models.bookshelf import BookAuthor
+from src.db.session import SessionDep
+from src.schema.bookshelf.bookauthor import BookAuthorResponse, to_response
+
+router = APIRouter()
+
+
+@router.get("/bookauthors", response_model=List[BookAuthorResponse])
+def get_all_artists(db: SessionDep) -> List[BookAuthorResponse]:
+    results: List[BookAuthorResponse] = []
+    bookauthors = db.query(BookAuthor).all()
+    for bookauthor in bookauthors:
+        response = to_response(bookauthor)
+        results.append(response)
+    return results