Stock adjustment improvement needed

[PakRicard]

Hi all:

In StockAdjustments.php we control the differences between weberp stock and real stock.

Well, several reasons can trigger an stock adjustment and would be great to be able to control so:
- Broken
- Unsellable item
- Stolen
- shrinkage (in case of components)
- expired
- etc...

How can it be controlled? Besides improving StockAdjustments.php to include these reasons, adding a field in stockmoves seems obvious but there are many other stockmoves we do bnot need this detail. Should we create a table for this?