Basic content repo outline.

Code's here, no tooling to generate content packs yet, however.

Content.Shared/EntryPoint.cs

@@ -0,0 +1,12 @@
+using SS14.Shared.ContentPack;
+
+namespace Content.Shared
+{
+    public class EntryPoint : GameShared
+    {
+        public override void Init()
+        {
+            // TODO: Anything at all.
+        }
+    }
+}