Merge branch 'add-install-instructions' into 'develop'

Add install instructions

See merge request !33
7 jobs for develop in 9 minutes and 53 seconds (queued for 3 seconds)
Status Name Job ID Coverage
  Metrics
passed php-metrics #3250

00:02:47

 
  Metrics Build
passed php-metrics-build #3251

00:01:11

 
  Metrics Deploy
passed php-metrics-deploy #3252

00:00:51

 
  Install
passed install #3253

00:01:45

 
  Test
passed phpunit #3254

00:01:05

 
  Build
passed build #3255

00:01:27

 
  Deploy
passed deploy #3256

00:00:44