Add skeleton of classes that will be used

src/app/hypomomap-tool/hypomomap-tool.component.ts

@@ -13,3 +13,25 @@ export class HypomomapToolComponent implements OnInit {
   }
 
 }
+
+class HypoMoMap {
+  
+}
+
+class HypothesesLake {
+
+}
+
+class HypothesisNode {
+
+}
+
+class ExperimentationIsland {
+
+}
+
+class ExperimentNode {
+
+}
+
+