Implemented login and session functionality, created a database on the backend to store login and stream information

core/database.py

@@ -0,0 +1,15 @@
+import sqlite3
+
+class Database:
+    def __init__(self, db:str) -> None:
+        self._db = db
+        self._conn = None
+
+    def create_connection(self) -> sqlite3.Cursor:
+        conn = sqlite3.connect(self._db)
+        self._conn = conn
+        cursor = conn.cursor()
+        return cursor
+
+    def close_connection(self) -> None:
+        self._conn.close()