Re-organize all projects (#4166)

Content.Shared/Slippery/NoSlipComponent.cs

@@ -0,0 +1,13 @@
+using Content.Shared.EffectBlocker;
+using Robust.Shared.GameObjects;
+
+namespace Content.Shared.Slippery
+{
+    [RegisterComponent]
+    public class NoSlipComponent : Component, IEffectBlocker
+    {
+        public override string Name => "NoSlip";
+
+        bool IEffectBlocker.CanSlip() => false;
+    }
+}