docs/profiles/infrastructure.rst: Add new commands

docs/profiles/infrastructure.rst

@@ -65,3 +65,30 @@ You can then:
 
 -  Edit the workbook in your preferred spreadsheet software
 -  Export each sheet as a CSV file to the ``mapping`` directory
+
+
+Update sustainability.yaml
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+For each change to the [CoST IDS sustainability elements](https://docs.google.com/spreadsheets/d/165epI69oQ5YyL4-2q8VubFn9VuNham2Pi1u0P49id9o/), run:
+
+.. code-block:: shell
+
+  ./manage.py update-sustainability-elements
+
+Update sustainability.md
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+For each change to `mapping/sustainability.yaml`:
+
+1. Lint the YAML file and link field names to the schema reference documentation:
+
+.. code-block:: shell
+
+  ./manage.py lint -l mapping/sustainability.yaml
+
+2. Update the associated Markdown page:
+
+.. code-block:: shell
+
+  ./manage.py update-sustainability-docs