make-desktopitem: refactoring, documentation and improvement

- New parameter `extraDesktopEntries` to easily add some less usual entries to the desktop file
- Rewrite of the core logic. Instead of a key-value-list, use an attribute set with nullable values to make it overridable
- Added some comments
- Some cosmetic/readability code refactors
	- I didn't like the doubly nested strings around the `fileValidation`

0 files changed, 0 insertions, 0 deletions