Add ISIS SXD indexed and refined examples (#525)

* Update dataset isis_sxd_nacl_processed (#456)

Author: toastisme

dials_data/definitions/isis_sxd_nacl_processed.yml

@@ -7,6 +7,12 @@ description: >
   with the following commands:
     $ dials.import "$(dials.data get -q isis_sxd_example_data)/sxd_nacl_run.nxs"
     $ dials.find_spots imported.expt
+    $ dials.index imported.expt strong.refl unit_cell=5.64,5.64,5.64,90,90,90 space_group=225 
+    $ dials.refine indexed.expt indexed.refl
 data:
-  - url: https://github.com/dials/data-files/raw/ac63f5790bbddf7292b45ae825daefdbe60f7858/isis_sxd_nacl_processed/imported.expt
-  - url: https://github.com/dials/data-files/raw/ac63f5790bbddf7292b45ae825daefdbe60f7858/isis_sxd_nacl_processed/strong.refl
+  - url: https://github.com/dials/data-files/raw/0f9e5fadfdc5eac0ab6b4ce5e0cad8f819ac723c/isis_sxd_nacl_processed/imported.expt
+  - url: https://github.com/dials/data-files/raw/0f9e5fadfdc5eac0ab6b4ce5e0cad8f819ac723c/isis_sxd_nacl_processed/strong.refl
+  - url: https://github.com/dials/data-files/raw/0f9e5fadfdc5eac0ab6b4ce5e0cad8f819ac723c/isis_sxd_nacl_processed/indexed.expt
+  - url: https://github.com/dials/data-files/raw/0f9e5fadfdc5eac0ab6b4ce5e0cad8f819ac723c/isis_sxd_nacl_processed/indexed.refl
+  - url: https://github.com/dials/data-files/raw/0f9e5fadfdc5eac0ab6b4ce5e0cad8f819ac723c/isis_sxd_nacl_processed/refined.expt
+  - url: https://github.com/dials/data-files/raw/0f9e5fadfdc5eac0ab6b4ce5e0cad8f819ac723c/isis_sxd_nacl_processed/refined.refl