Fix #50 Add link to dandi statistics page (#56)

Author: oruebel

src/nwb_project_analytics/dandistats.py

@@ -356,6 +356,8 @@ def create_dandistats_pages(cls,
         dandistats_rst.add_text(dandistats_rst.newline)
         dandistats_rst.add_text(f"Plots rendered on: {formatted_datetime}")
         dandistats_rst.add_text(dandistats_rst.newline)
+        dandistats_rst.add_text("For more statistics on individual DANDI datasets see the `Dandiset Access Summaries  <https://dandi.github.io/access-page/>`_ website.")
+        dandistats_rst.add_text(dandistats_rst.newline)
         dandistats_rst.add_text(dandistats_rst.newline)
         dandistats_rst.add_subsection("NWB data on DANDI over time")
         # Figure 1