Updated, added ssh-agent runit service

config/runit/sv/ssh-agent

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+#
+# Start ssh-agent from runit
+#
+# Author: Dave Eddy <dave@daveeddy.com>
+# Date: August 29, 2018
+# License: MIT
+
+file=~/.ssh/ssh-agent-env
+
+exec > "$file"
+
+echo "# started $(date)"
+
+# For some reason, this line doesn't get emitted by ssh-agent when it is run
+# with -d or -D.  Since we are starting the program with exec we already know
+# the pid ahead of time though so we can create this line manually
+echo "SSH_AGENT_PID=$$; export SSH_AGENT_PID"
+
+exec ssh-agent -D