fix: add readwrite url to ignored urls to pass CI

Will look into why this is 403ing but we need to unblock other PRs

Signed-off-by: jmeridth <jmeridth@gmail.com>

Author: jmeridth

script/html-proofer

@@ -9,6 +9,7 @@ url_ignores = [
   "https://scripts.sil.org/ofl",
   "https://the-orbit.net/almostdiamonds/2014/04/10/so-youve-got-yourself-a-policy-now-what/",
   "https://pages.18f.gov/open-source-guide/making-readmes-readable/",
+  %r{^https?://readwrite\.com/2014/10/10/open-source-diversity-how-to-contribute/},
   %r{^https?://twitter\.com/},
   %r{^https?://(www\.)?kickstarter\.com/},
   %r{^https://guides\.github\.com/},