fix: mktg urls from the configuration

Author: ktyagiapphelix2u

py_configuration_files/lms.py

@@ -425,7 +425,7 @@ def should_show_debug_toolbar(request):  # lint-amnesty, pylint: disable=missing
 })
 
 ENABLE_MKTG_SITE = os.environ.get('ENABLE_MARKETING_SITE', True)
-MARKETING_SITE_ROOT = os.environ.get('MARKETING_SITE_ROOT', 'http://localhost:8080')
+MARKETING_SITE_ROOT = os.environ.get('MARKETING_SITE_ROOT', '/')
 
 MKTG_URLS = {
     'ABOUT': '/about',