[DONE] Ability to change cost of moving items in the inventory (per item)

[Yankes]

New changes in nightly:

- Script now can change movement type of unit, aka swap fly with walk.
- Rule set and script can alter cost of moving item in inventory:

Code: [Select]

items:
  - type: STR_PISTOL
    inventoryMoveCost:
      basePercent: 200