Major: Restructure of Project

Major: Introduction of Frontend (React)

backend/database/database.py

@@ -0,0 +1,22 @@
+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()