[#467] update sites config namespace

docs/installation/config_cli.rst

@@ -40,7 +40,7 @@ Create or update a (single) YAML configuration file with your settings:
 .. code-block:: yaml
    ...
     sites_config_enable: true
-    sites:
+    sites_config:
       items:
         - domain: example.com
           name: Example site

src/objects/setup_configuration/steps/sites.py

@@ -12,7 +12,7 @@ class SitesConfigurationStep(BaseConfigurationStep):
     config_model = SitesConfigurationModel
     verbose_name = "Sites configuration"
 
-    namespace = "sites"
+    namespace = "sites_config"
     enable_setting = "sites_config_enable"
 
     def execute(self, model: SitesConfigurationModel) -> None:

src/objects/setup_configuration/tests/files/sites_empty_database.yaml

@@ -1,5 +1,5 @@
 sites_config_enable: true
-sites:
+sites_config:
   items:
     - domain: example.com
       name: Example site

src/objects/setup_configuration/tests/files/sites_existing_sites.yaml

@@ -1,5 +1,5 @@
 sites_config_enable: true
-sites:
+sites_config:
   items:
     - domain: example.com
       name: Example site (revised)

src/objects/setup_configuration/tests/files/sites_idempotent_step.yaml

@@ -1,5 +1,5 @@
 sites_config_enable: true
-sites:
+sites_config:
   items:
     - domain: example.com
       name: Example site

src/objects/setup_configuration/tests/files/sites_invalid_domain.yaml

@@ -1,5 +1,5 @@
 sites_config_enable: true
-sites:
+sites_config:
   items:
     - domain: example.com
       name: Example site