ejabberd: add a .hash file

[Thomas: slightly tweak the comments.]

Signed-off-by: Johan Oudinet <johan.oudinet@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/ejabberd/ejabberd.hash

@@ -0,0 +1,4 @@
+# From https://www.process-one.net/downloads/ejabberd/15.09/ejabberd-15.09.tgz.md5
+md5 616a2fa06064e53ef0130260116dbb68 ejabberd-15.09.tgz
+# Locally computed
+sha256 6b6bc3dba5de946927b25cf1f85b44650f9ded4923a782f21a1c9010bb58884d ejabberd-15.09.tgz