minor readme fix while going through code

[zeeshanlakhani]

Summary

Readme fix for installation (script->scripts)

Test plan (required)

N/A

After Merge

• Does this change invalidate any docs or tutorials? If so ensure the changes needed are either made or recorded
• Does this change require a release to be made? Is so please create and deploy the release

[codecov-commenter]

Codecov Report

Merging #64 (2c5b847) into main (0228c17) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #64   +/-   ##
=======================================
  Coverage   77.28%   77.28%           
=======================================
  Files          26       26           
  Lines        1422     1422           
=======================================
  Hits         1099     1099           
  Misses        323      323           

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[expede]

LGTM! Thanks @zeeshanlakhani