[TASK] EXT:cshmanual Uniform extension directory structure

Moved the code from the mod directory to the Modules/CshManual directory.

Resolves: #68348
Releases: master
Change-Id: Ia541173c7191a379a069fd3a2db0a7437435a5d2
Reviewed-on: http://review.typo3.org/41683


Reviewed-by: Susanne Moog <typo3@susannemoog.de>
Tested-by: Susanne Moog <typo3@susannemoog.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>