feat: admin panel

routes/admin.py

@@ -56,7 +56,9 @@ def get_user(user_id):
 @admin_blueprint.put('/user/<int:user_id>')
 def put_user(user_id):
     params: dict = request.json
-    password = params.get('password').strip()
+    password = params.get('password')
+    if password:
+        password = password.strip()
     if password:
         params['password_hash'] = generate_password_hash(password)
     del params['password']