fix citrus_sinensis input

examples/citrus_sinensis.yml

@@ -2,7 +2,7 @@
 # The file consists in a "list" of species for which the script will have to create these stacks/load data into galaxy/run workflows
 # This file is internally turned into a list of dictionaries by the scripts
 
-citrus_sinensis:  # Dummy value to designate the species (isn't used by the script)
+- name: citrus_sinensis  # Dummy value to designate the species (isn't used by the script)
   description:
   # Species description, leave blank if unknown or you don't want it to be used
   # These parameters are used to set up the various urls and adresses in different containers