Better melee combat (#542)

* - add: NextMobAttack, EquipCooldown.

* - fix: Some combat fixes.

* - add: Telebaton.

* - add: Stun baton rework.

* - tweak: Reduce melee range.

* - add: Rework melee block system.

* - add: ExaminedEvent.

Content.Server/Weapons/Melee/WeaponRandom/WeaponRandomSystem.cs

@@ -1,3 +1,4 @@
+using Content.Shared._White.Blocking;
 using Content.Shared.Weapons.Melee.Events;
 using Robust.Shared.Random;
 using Robust.Shared.Audio.Systems;