Moved code to subfolder

backend/database/database.py

@@ -0,0 +1,18 @@
+from typing import List
+from models.request import Request
+
+
+request_collection = Request
+
+
+async def add_request(item: Request) -> Request:
+    return await item.create()
+
+async def retrieve_requests() -> List[Request]:
+    return await request_collection.all().to_list()
+
+async def retrieve_request(text: str, language_from: str, language_to: str) -> List[Request]:
+    return await request_collection.find({"requested_text": text, "language_from": language_from, "language_to": language_to}).to_list()
+
+async def clear_requests() -> None:
+    return await request_collection.delete_all()