fix(icon): update warning url to docs

[ludo237]

I stumbled upon this console warning today but the URL was wrong and it pointed to a 404 page of the doc. This should be the right URL to use.

[codecov]

Codecov Report

Merging #329 into master will not change coverage.
The diff coverage is 0.00%.

@@           Coverage Diff           @@
##           master     #329   +/-   ##
=======================================
  Coverage   85.43%   85.43%           
=======================================
  Files          10       10           
  Lines         357      357           
  Branches      108      108           
=======================================
  Hits          305      305           
  Misses         48       48           
  Partials        4        4           

Impacted Files	Coverage Δ
lib/meta/module.js	81.90% <0.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update dc2a12a...c1de399. Read the comment docs.

[pi0]

Thanks @ludo237