Fix link to array-oriented functions

[cgarling]

Fix link to array-oriented functions in README.md.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 0.84%. Comparing base (fc7bfa5) to head (ca966ac).
Report is 4 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (fc7bfa5) and HEAD (ca966ac). Click for more details.

HEAD has 3 uploads less than BASE

Flag	BASE (fc7bfa5)	HEAD (ca966ac)
	4	1

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #73       +/-   ##
==========================================
- Coverage   73.22%   0.84%   -72.39%     
==========================================
  Files           4       4               
  Lines         239     238        -1     
==========================================
- Hits          175       2      -173     
- Misses         64     236      +172     

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[christiangnrd]

LGTM - Thank you!