Replace assignment, add autograder

[dtxe]

What changes are you trying to make? (e.g. Adding or removing code, refactoring existing code, adding reports)

• Replace Clues assignment with shell script
• Introduce autograder with GitHub Actions
• Update auto PR commenter action name to reduce confusion
• Auto-PR commenter is "skipped" and not run for assignment submission to reduce confusion

How were these changes tested?

• Various submissions
  • Regular solution
  • Solutions split across different lines
  • White space changes
  • Typos
  • Selective incorrect answers on various questions

Checklist

• I can confirm that my changes are working as intended

[danielrazavi]

Tests that were conducted to verify the validity of the GitHub workflow
Test 1
Test 2
Test 3

[danielrazavi]

Looks good to me :)