docs: delete manual typescript install step in Vercel "Build & Output Settings"

[FajarKim]

Description

Remove the manual step in the "Deploy on Vercel" section of README.md that asks users to add the npm install typescript command to "Build & Output Settings".

Type of change

• Bug fix (added a non-breaking change which fixes an issue)
• New feature (added a non-breaking change which adds functionality)
• Updated documentation (updated the readme, templates, or other repo files)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Misc change (updated other files non-breaking change)

How Has This Been Tested?

• Tested locally with a valid username
• Tested locally with an invalid username
• Ran tests with npm test
• Added or updated test cases to test new features

Checklist:

• I have checked to make sure no other pull requests are open for this issue
• The code is properly formatted and is consistent with the existing code style
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings

Screenshots

None

[vercel]

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Project	Deployment	Actions	Updated (UTC)
github-readme-profile	Ready	Preview, Comment	Apr 10, 2026 1:26pm

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 66.66%. Comparing base (77565ec) to head (36a2270).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #951   +/-   ##
=======================================
  Coverage   66.66%   66.66%           
=======================================
  Files          13       13           
  Lines         303      303           
  Branches       76       77    +1     
=======================================
  Hits          202      202           
+ Misses         88       77   -11     
- Partials       13       24   +11     

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