Add to gitignored data folder

[GabeGiro]

• data folder that gets saved after every (un)successful job search
• exceptions
  • page_source_at_unhandled_exception.html
  • unhandled_exception.png
• config.py that will work with running DevContainer and these launch.json configs:
  • "Debug EasyApply with 1 config"
  • "Debug All EasyApply Tests"
• outputs of test failures