devel/py-xstatic-angular-lrdragndrop: Update to 1.0.2.7

• Update COMMENT
• Update WWW
• Add LICENSE_FILE

Changes: https://opendev.org/openstack/xstatic-angular-lrdragndrop/commits/branch/master

		https://github.com/openstack/xstatic-angular-lrdragndrop/commits/master