Add Vcs URLs

debian/control

@@ -2,6 +2,8 @@ Source: tang
 Maintainer: Christoph Biedl <debian.axhn@manchmal.in-ulm.de>
 Homepage: https://github.com/latchset/tang
 Standards-Version: 4.1.1
+Vcs-Browser: https://git.in-ulm.de/cbiedl/tang
+Vcs-Git: https://git.in-ulm.de/cbiedl/tang.git
 Build-Depends: debhelper (>= 10~),
     curl,
     jose,