add index entry and grid image

Author: tristanpwdennis

docs/source/_static/images/anopheles_stephensi.jpg

@@ -33,6 +33,17 @@ API documentation
          :align: center
          :width: 100%
 
+   .. grid-item-card:: ``As1``
+      :link: As1
+      :link-type: doc
+
+      *Anopheles stephensi*.
+
+      .. image:: ./_static/images/anopheles_stephensi.jpg
+         :alt: Anopheles stephensi mosquito mosquito
+         :align: center
+         :width: 100%
+
    .. grid-item-card:: ``Amin1``
       :link: Amin1
       :link-type: doc