MPack 2.0

Added:

1. Selectable Extension Effect
2. More Scriptable Objects
   2.1 Game Object List
   2.2 Game Object Pool Reference
   2.3 Transform Pointer
   2.4 Variable Storage
3. Add more value reference
   3.1 Layer Mask
   3.2 Sorting Layer
4. Event With Parameter (Bool, Int, Float, String)
5. Scriptable Objects' File Gizmos Icon

Improved:

1. Multi Language