update solid-link doc

source/import_documentation/Components/Solid-Router.rst

@@ -76,6 +76,10 @@ solid-link
 -  ``next``: The ``name`` attribute of the ``<solid-route>`` you
    want to access.
 
+-  ``data-src``: The resource you want to use in your view. Often
+   used to show more details about this resource, by adding the
+   ``bind-resource`` attribute to a component.
+
 Example:
 
 .. code:: html