Mtasa-blue: General upgrade for weapons

[CrosRoad95]

Is your feature request related to a problem? Please describe.
You need spent a lot of time to rewrite weapons system

Describe the solution you'd like

1. make more weapons in mta, i saw in code that id's from ~60 do 255 are empty, there could be new empty weapons.
2. make function for changing weapon slots, make possible hold m4, ak47 at once

Describe alternatives you've considered
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Additional context
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[Einheit-101]

1. extend setWeaponProperty so it works with more (all) weapon properties that are currently get-only
2. add disable_model weapon flag to setWeaponProperty in order to disable model + muzzle effect of a certain player weapon

[Einheit-101]

-Add a setting that makes it possible to keep a weapon even when its empty (currently weapons get deleted from the slot when empty)

[CrosRoad95]

offset 0x60DB99 seems to be responsible for removing weapons while you have 0 ammo

[Einheit-101]

I would love to see this "fixed".

[Elengar]

1. Make it possible to use setWeaponProperty for any discrete skill level number (not only for three {poor, std, pro}) or add function like setPlayerWeaponProperty, which will set property only for certain player.

This would be very helpful for adding custom weapons to MTA.

[CrosRoad95]

I would love to see this "fixed".

i think, this could be fixed by adding function clientside like setPlayerCanHandleWeaponWithoutAmmoOrSomethingLikeThatWithShorterName( bool )

[Einheit-101]

setPedWeaponAutoRemove()
setPedKeepEmptyWeapons()