Port research disks from nyano (#9081)

Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Server/Disease/Server/DiseaseServerComponent.cs

@@ -0,0 +1,15 @@
+using Content.Shared.Disease;
+
+
+namespace Content.Server.Disease.Components
+{
+    [RegisterComponent]
+    public sealed class DiseaseServerComponent : Component
+    {
+        /// <summary>
+        /// Which diseases this server has information on.
+        /// </summary>
+        [ViewVariables(VVAccess.ReadWrite)]
+        public List<DiseasePrototype> Diseases = new();
+    }
+}