move kontor_model in kontor-api

kontor-api/src/schema/bookshelf/article.py

@@ -0,0 +1,23 @@
+from datetime import datetime
+
+from pydantic import BaseModel
+
+from src.db.models.bookshelf import Article
+
+
+class ArticleResponse(BaseModel):
+    id: str
+    created_date: datetime
+    last_modified_date: datetime
+    version: int
+    title: str
+
+def to_response(article:  Article) -> ArticleResponse:
+    response: ArticleResponse = ArticleResponse(
+            id=article.id,
+            created_date=article.created_date,
+            last_modified_date=article.last_modified_date,
+            version=article.version,
+            title=str(article.title)
+    )
+    return response