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.Server/Lock/LockToggledEvent.cs

@@ -0,0 +1,14 @@
+using Robust.Shared.GameObjects;
+
+namespace Content.Server.Lock
+{
+    public class LockToggledEvent : EntityEventArgs
+    {
+        public readonly bool Locked;
+
+        public LockToggledEvent(bool locked)
+        {
+            Locked = locked;
+        }
+    }
+}