Add data model dictionary

Author: daniel-slaugh

apps/docs/docs/.vitepress/config.ts

@@ -201,6 +201,10 @@ export default defineConfig({
               },
             ],
           },
+          {
+            text: "Data Model",
+            link: "/references/data-model/data-model",
+          },
           {
             text: "Hydroserverpy",
             link: "/references/hydroserverpy/hydroserverpy-ref.md",