added all missing endpoints

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

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