fix: add species to template_description.json

template_description.json

@@ -8,6 +8,7 @@
   "License": "See LICENSE file",
   "Name": "FreeSurfer's fsaverage template",
   "ReferencesAndLinks": [],
+  "Species": "Homo sapiens",
   "TemplateFlowVersion": "1.0.0",
   "res": {
     "01": {
@@ -45,4 +46,4 @@
       ]
     }
   }
-}
+}