Add documentation for maintenance tasks

11 jobs for doc/maintenance in 21 minutes and 16 seconds (queued for 1 minute and 36 seconds)
Status Job ID Name Coverage
  Test
passed #11576
clazy

00:01:19

passed #11577
qmllint

00:00:19

 
  Build
passed #11581
archlinux

00:01:01

passed #11580
debian-sid

00:00:49

passed #11579
neon-bionic

00:00:58

passed #11578
ubuntu-trusty

00:01:06

 
  Deploy
passed #11585
allowed to fail
android

00:04:57

passed #11583
allowed to fail
click-xenial

00:05:00

passed #11582
allowed to fail
linux-appimage

00:05:32

passed #11586
allowed to fail
mac-osxcross

00:05:36

passed #11584
allowed to fail
windows-mxe

00:05:00