add ongoing documentation theory|specifics

1 job for develop in 12 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Test
failed #63450
makehtml

00:00:12

 
Name Stage Failure
failed
makehtml Test
Fetching changes...
HEAD is now at c4050e3 removed files that are not in the official repo
From https://iffgit.fz-juelich.de/spex/spex-docs
* [new branch] develop -> origin/develop
Checking out e40d6d47 as develop...
Skipping Git submodules setup
$ make html
/bin/bash: line 69: make: command not found
ERROR: Job failed: exit code 1