docs: use the common ApiLink component from the shared theme

[barjin]

Uses the common ApiLink implementation from the shared theme package.

Closes #889

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.04%. Comparing base (52411da) to head (87e9049).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #900   +/-   ##
=======================================
  Coverage   87.04%   87.04%           
=======================================
  Files          48       48           
  Lines        2942     2942           
=======================================
  Hits         2561     2561           
  Misses        381      381           

Flag	Coverage Δ
e2e	37.72% <ø> (ø)
integration	59.07% <ø> (ø)
unit	75.76% <ø> (ø)

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