I can add and show tabs with lazy loading and content management

src/myfasthtml/myfastapp.py

@@ -31,6 +31,7 @@ def get_asset_content(filename):
 
 
 def create_app(daisyui: Optional[bool] = True,
+               vis: Optional[bool] = True,
                protect_routes: Optional[bool] = True,
                mount_auth_app: Optional[bool] = False,
                base_url: Optional[str] = None,
@@ -63,6 +64,11 @@ def create_app(daisyui: Optional[bool] = True,
         Script(src="/myfasthtml/tailwindcss-browser@4.js"),
     ]
   
+  if vis:
+    hdrs += [
+        Script(src="/myfasthtml/vis-network.min.js"),
+    ]
+  
   beforeware = create_auth_beforeware() if protect_routes else None
   app, rt = fasthtml.fastapp.fast_app(before=beforeware, hdrs=tuple(hdrs), **kwargs)
   
@@ -96,7 +102,7 @@ def create_app(daisyui: Optional[bool] = True,
   if mount_auth_app:
     # Setup authentication routes
     setup_auth_routes(app, rt, base_url=base_url)
-  
+    
     # create the AuthProxy instance
     AuthProxy(base_url)  # using the auto register mechanism to expose it