package/ympd: add an upstream URL to Config.in

Add an upstream URL to the help text in Config.in. This
addresses the 'Missing' URL status in the package stats
web page output.

Signed-off-by: Mark Corbin <mark@dibsco.co.uk>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/ympd/Config.in

@@ -8,6 +8,8 @@ config BR2_PACKAGE_YMPD
 	  ympd, a standalone MPD Web GUI written in C, utilizing
 	  Websockets and Bootstrap/JS
 
+	  https://www.ympd.org/
+
 comment "ympd needs a toolchain w/ threads, dynamic library"
 	depends on BR2_USE_MMU
 	depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_STATIC_LIBS