fix(api): fix http respons and bad way

api/email.py

@@ -5,7 +5,7 @@ from flask import Blueprint
 # Создаем blueprint для API
 api_email = Blueprint('api_email', __name__, url_prefix='/email')
 
-@api_email.route('/', methods=['POST'])
+@api_email.route('/', methods=['POST'], strict_slashes=False)
 def post_email():
     if not request.is_json:
         return jsonify({"error": "Content-Type must be application/json"}), 400