fix: update the skill name and allow for multiple skills

[ycexiao]

What problem does this PR address?

test_agentify.py failed after cmi-agent-skills repo is updated. This PR updates the the agentify command to let it adopt new skills.

What should the reviewer(s) do?

[ycexiao]

@sbillinge, it's ready for review.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.24%. Comparing base (d09c7f5) to head (3020f1d).
⚠️ Report is 6 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #41   +/-   ##
=======================================
  Coverage   98.24%   98.24%           
=======================================
  Files           8        8           
  Lines         626      626           
=======================================
  Hits          615      615           
  Misses         11       11           

Files with missing lines	Coverage Δ
tests/test_agentify.py	100.00% <100.00%> (ø)

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