[WIP][FEATURE] Add ldap container to ddev

https://git-t3o.typo3.org/t3o/my/issues/130
2 jobs for ddev-ldap in 11 minutes and 18 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #8421
build

00:01:39

 
  Layout
passed #8422
layout

00:09:38