Add security barriers (#4458)

* Add sprites

* Lock system now raises lock toggle events

* Add prototype and barrier system

* Toggle lock on click

* Barrier blocks bullets (like a real wall)

* Barrier now destroyable

* Fancy visualzer and lighting. Also unlock by default

* Deleted comma

* Ignored components?

* Update Resources/Prototypes/Entities/Objects/Specific/Security/barrier.yml

Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>

* Update Resources/Prototypes/Entities/Objects/Specific/Security/barrier.yml

Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>

* Toggle Lock no longer handled

* Made it much easier to move through airlocks

Co-authored-by: Swept <sweptwastaken@protonmail.com>
Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>

Content.Shared/Security/DeployableBarrierVisuals.cs

@@ -0,0 +1,23 @@
+using Robust.Shared.Serialization;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Content.Shared.Security
+{
+    [Serializable, NetSerializable]
+    public enum DeployableBarrierVisuals : byte
+    {
+        State
+    }
+
+
+    [Serializable, NetSerializable]
+    public enum DeployableBarrierState : byte
+    {
+        Idle,
+        Deployed
+    }
+}