edx-username-changer plugin settings added

src/edx_username_changer/BUILD

@@ -1,5 +1,6 @@
 python_sources(
     name="edx_username_changer_source",
+    dependencies=["src/edx_username_changer/settings:edx_username_changer_settings"],
 )
 
 python_distribution(

src/edx_username_changer/README.rst

@@ -38,7 +38,7 @@ Configurations
 --------------
 To configure this plugin, you need to do the following one step:
 
-1. Add/Enable a feature flag (ENABLE_EDX_USERNAME_CHANGER) into your environment variables (through ``private.py`` in LMS or CMS, depending upon where you are installing the plugin)
+1. Add/Enable a feature flag (ENABLE_EDX_USERNAME_CHANGER) into your environment variables (through ``private.py`` in LMS)
 
 .. code-block::
 

src/edx_username_changer/settings/BUILD

@@ -0,0 +1 @@
+python_sources(name="edx_username_changer_settings")

src/edx_username_changer/settings/common.py

@@ -0,0 +1,18 @@
+# noqa: INP001
+
+"""Settings to provide to edX"""
+
+
+def plugin_settings(settings):
+    """
+    Populate common settings
+    """
+    env_tokens = getattr(settings, "ENV_TOKENS", {})
+
+    # .. setting_name: ENABLE_EDX_USERNAME_CHANGER
+    # .. setting_default: False
+    # .. setting_description: Enable/Disable the username changer plugin
+
+    settings.ENABLE_EDX_USERNAME_CHANGER = env_tokens.get(
+        "ENABLE_EDX_USERNAME_CHANGER", False
+    )

src/edx_username_changer/settings/devstack.py

@@ -0,0 +1,10 @@
+# noqa: INP001
+
+"""Settings to provide to edX"""
+
+
+def plugin_settings(settings):
+    """
+    Populate devstack settings
+    """
+    settings.ENABLE_EDX_USERNAME_CHANGER = False