network-manager: add hash file

[Thomas: fix hash origin, as noted by Baruch, upstream publishes a
hash file so there's no need to compute it locally.]

Signed-off-by: Petr Vorel <petr.vorel@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/network-manager/network-manager.hash

@@ -0,0 +1,2 @@
+# Locally computed:
+sha256  3a66afec670c975edd9832e620b725a5f16ed267a1b9e1b2d51ef27250d85947  NetworkManager-1.0.0.tar.xz