evolve: add a help section for 'skip content-divergence check'

8 jobs for topic/default/help-contentdiv-khanchi in 12 minutes and 24 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Test
passed checks-py2 #253477

00:02:11

passed checks-py3 #253478

00:01:53

passed doc #253483

00:00:42

manual pytype #253476
allowed to fail manual
passed tests-py2-cext #253479

00:05:06

passed tests-py2-pure #253480

00:04:21

passed tests-py3-cext #253481

00:12:23

passed tests-py3-pure #253482

00:03:12