changes to docs to include how to add a new sub-region

docs/_source/deployment_notes.rst

@@ -119,7 +119,7 @@ Adding a new sub-region:
 
 You should be able to add a new sub-region (country) without needing to midify the source code.
 
-Add assets and config files
+1: Add assets and config files
 ---------------------------
 
 Add the following files to the **<resources_dir>/plotting/assets/gis_data/<country_name>**  directory:
@@ -136,7 +136,7 @@ make a copy of a pre-existing chart_config.json file in
 
 modify the paths to point at the new assets files you added. Also change the bounding box and the image size as required
 
-Modify the main config json
+2: Modify the main config json
 ----------------------------
 
 To make the new sub-region be run by the coordinator, edit the coordinator config json, e.g.