The COSCUP volunteer platform is an online tool that allows interested individuals to register as volunteers for the conference, and a way for volunteers to communicate with each other and with the organizers. COSCUP 志工平台是一個可以讓有興趣的人登錄成為 COSCUP 的志工，同時也提供志工彼此溝通和與大會聯繫的方式。
Change the parking card into options data not hard code.
Pull request type
Please check the type of change your PR introduces:
What is the current behavior?
Hard code the date options.
Issue Number: #77
What is the new behavior?
Other information
None