Moved database module to separate library

src/main.py

@@ -1,7 +1,7 @@
 from fastapi import FastAPI, Depends, HTTPException, Response, Request
 import uvicorn
 from contextlib import asynccontextmanager
-from db import get_db, create_connection_pool, close_connection_pool, start_healthcheck_thread
+from db_module import get_db, create_connection_pool, close_connection_pool, start_healthcheck_thread
 from simple_logger_handler import setup_logger, LOG_LEVEL
 from feed_handler import grab_latest_chapter_information
 from send_notification import send_notification
@@ -18,7 +18,7 @@ async def lifespan(app: FastAPI):
 	logger.info("[App] Starting application...")
 
 	logger.info("[DB] Creating MySQL connection pool...")
-	create_connection_pool()
+	create_connection_pool("royalRoadPool")
 
 	start_healthcheck_thread()
 	logger.info("[DB] MySQL healthcheck thread started.")