ISTWCMS-3921: adding user roles

...ll/layout_builder_styles.style.uw_lbs_carousel_1_item.yml

...l/layout_builder_styles.style.uw_lbs_carousel_2_items.yml

...l/layout_builder_styles.style.uw_lbs_carousel_3_items.yml

...l/layout_builder_styles.style.uw_lbs_carousel_4_items.yml

...ll/layout_builder_styles.style.uw_lbs_contained_width.yml

...install/layout_builder_styles.style.uw_lbs_full_width.yml

config/install/user.role.administrator.yml

config/install/user.role.anonymous.yml

config/install/user.role.authenticated.yml

config/install/user.role.uw_role_content_author.yml

config/install/user.role.uw_role_content_editor.yml

config/install/user.role.uw_role_site_manager.yml

config/install/user.role.uw_role_site_owner.yml

uw_cfg_common.features.yml

uw_cfg_common.info.yml