fix(style): use command name for app create disclaimer section heading

[zimeg]

Changelog

The disclaimer for installing a new app is now formatted with a proper command heading.

Summary

This PR uses the command name as section heading text for the app create disclaimer when installing a new app.

Preview

Before

After

Requirements

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 68.93%. Comparing base (55a4069) to head (f253637).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #423   +/-   ##
=======================================
  Coverage   68.93%   68.93%           
=======================================
  Files         220      220           
  Lines       18446    18446           
=======================================
+ Hits        12715    12716    +1     
- Misses       4557     4558    +1     
+ Partials     1174     1172    -2     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.