NCBI taxonomy creation

• Also improve performances for KEGG orthology creation

Closes #13 (closed)

backend/app/app/api/endpoints/keggs.py

 from fastapi import Depends, APIRouter, HTTPException
-from fastapi_pagination import Page, paginate
+from fastapi_pagination import Page
+from fastapi_pagination.ext.sqlmodel import paginate
 from sqlalchemy.exc import NoResultFound, IntegrityError
-from sqlmodel import Session
+from sqlmodel import Session, select
+
 
 from app.db import get_session
+from app.core.models.kegg import KeggOrthology
 from app.core.schemas.entities.kegg import (
     KeggOrthologyRead,
     KeggOrthologyUpdate,
@@ -17,9 +20,7 @@ router = APIRouter()
 
 @router.get("/", response_model=Page[KeggOrthologyRead])
 async def get_kegg_orthology_entries(session: Session = Depends(get_session)):
-    use_case = CrudKeggOrthologyUseCase()
-    keggs = use_case.get_all(session=session)
-    return paginate(keggs)
+    return paginate(session, select(KeggOrthology))
 
 
 @router.get("/{kegg_id}", response_model=KeggOrthologyRead)