Re-organize all projects (#4166)

Content.Shared/EffectBlocker/EffectBlockerExtensions.cs

@@ -0,0 +1,18 @@
+#nullable enable
+using Robust.Shared.GameObjects;
+
+namespace Content.Shared.EffectBlocker
+{
+    public static class EffectBlockerExtensions
+    {
+        public static bool CanFall(this IEntity entity)
+        {
+            return EffectBlockerSystem.CanFall(entity);
+        }
+
+        public static bool CanSlip(this IEntity entity)
+        {
+            return EffectBlockerSystem.CanSlip(entity);
+        }
+    }
+}