Add a codim-data-collector for writing data on sub-entities with codim > 0

Summary

The data-collector collects sub-entities of the grid elements and data attached to it.

changed the description

added 3 commits

• a24d8dab...68682e27 - 2 commits from branch master
• 5f2f9b40 - Add a codim-data-collector and a corresponding example

Compare with previous version

enabled an automatic merge when the pipeline for 5f2f9b40 succeeds

merged

mentioned in commit aef69e40