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.Server/Nutrition/EntitySystems/ThirstSystem.cs

@@ -1,6 +1,5 @@
 using Content.Server.Nutrition.Components;
 using JetBrains.Annotations;
-using Content.Shared.Movement.EntitySystems;
 using Robust.Shared.Random;
 using Content.Shared.MobState.Components;
 using Content.Shared.Movement.Components;
@@ -8,6 +7,7 @@ using Content.Shared.Alert;
 using Content.Server.Administration.Logs;
 using Content.Shared.Database;
 using Content.Shared.Damage;
+using Content.Shared.Movement.Systems;
 
 namespace Content.Server.Nutrition.EntitySystems
 {