Expose `EDXNOTES_INTERFACE` from configuration

lms/envs/aws.py

@@ -610,3 +610,7 @@ if FEATURES['IS_EDX_DOMAIN']:
     PROFILE_IMAGE_DEFAULT_FILENAME = 'images/edx-theme/default-profile'
 else:
     PROFILE_IMAGE_DEFAULT_FILENAME = ENV_TOKENS.get('PROFILE_IMAGE_DEFAULT_FILENAME', PROFILE_IMAGE_DEFAULT_FILENAME)
+
+# EdxNotes config
+
+EDXNOTES_INTERFACE = ENV_TOKENS.get('EDXNOTES_INTERFACE', EDXNOTES_INTERFACE)