contrib: add systemd service citation

This adds a citation to the AUR repo where the systemd service file was
copied from.

diff --git a/contrib/services/systemd/gnunet.service b/contrib/services/systemd/gnunet.service
index f4bf3a2d326ebf22ea81a48bafe3c1de511ac51a..6bcf64d23f981f9e95456676bf294d386b296911 100644 (file)
--- a/contrib/services/systemd/gnunet.service
+++ b/contrib/services/systemd/gnunet.service
@@ -1,3 +1,5 @@
+# This was copied from the AUR gnunet-git (https://aur.archlinux.org/gnunet-git.git/) at commit: 6c946b34
+
 [Unit]
 Description=A framework for secure peer-to-peer networking