[feat] Provide Python script files to run and test CGI

[san-ghun]

• objective: Simulate data CRUD(create & read & update & delete) stored in JSON format.
• requirement:
  • install Python3 with JSON utility
  • (optional) install jq
• python script to code:
  • create_data.py
  • read_data.py
  • update_data.py
  • delete_data.py