Flatten python module index in docs (#351)

Author: nstarman

.zenodo.json

@@ -121,6 +121,12 @@
             "affiliation": "University of Portsmouth",
             "name": "Andrew R. Williamson",
             "type": "ProjectMember"
+        },
+        {
+            "orcid": "0000-0003-3954-3291",
+            "affiliation": "University of Toronto",
+            "name": "Nathaniel Starkman",
+            "type": "Other"
         }
     ],
     "access_right": "open"

docs/conf.py

@@ -138,6 +138,9 @@
 # Output file base name for HTML help builder.
 htmlhelp_basename = project + 'doc'
 
+# Prefixes that are ignored for sorting the Python module index
+modindex_common_prefix = ["skypy."]
+
 
 # -- Options for LaTeX output -------------------------------------------------