Fix: Imports on backend

Fix: Connected Backend to Frontend over localhost

web_server/database/database.py

@@ -1,22 +0,0 @@
-import sqlite3
-import os
-
-class Database:
-    def __init__(self) -> None:
-        self._db = os.path.join(os.path.abspath(os.path.dirname(__file__)), "app.db")
-
-    def create_connection(self) -> sqlite3.Cursor:
-        conn = sqlite3.connect(self._db)
-        conn.row_factory = sqlite3.Row
-        self._conn = conn
-        cursor = conn.cursor()
-        return cursor
-    
-    def commit_data(self):
-        try:
-            self._conn.commit()
-        except Exception as e:
-            print(e)
-
-    def close_connection(self) -> None:
-        self._conn.close()