Jetpacks (#9023)

* Movement acceleration

* tweaks

* Weightless refactor coz fuck it

* CCVars

* weightless movement tweaks

* Some cleanup while I'm here

* dorkpacks

* thanks fork

* fixes

* zoomies

* toggles

* hmm

* yamls

* b

* so true

* Effects refactor

* namespace

* review

Content.Shared/Movement/Events/RelayMovementEntityEvent.cs

@@ -0,0 +1,12 @@
+namespace Content.Shared.Movement.Events
+{
+    public sealed class RelayMovementEntityEvent : EntityEventArgs
+    {
+        public EntityUid Entity { get; }
+
+        public RelayMovementEntityEvent(EntityUid entity)
+        {
+            Entity = entity;
+        }
+    }
+}