#981 Add ogAdmServer own systemd unit file

This commit is a step in the direction to remove the old unit file. It
also allow us to move ogAdmServer to its own repo.

misc/ogadmserver.service

@@ -0,0 +1,13 @@
+# ogAdmServer systemd service file
+
+[Unit]
+Documentation=https://opengnsys.es/trac/wiki/En%%3ADocumentacionUsuario
+Description=OpenGnsys server
+Requires=mysql.service
+After=mysql.service
+
+[Install]
+WantedBy=multi-user.target
+
+[Service]
+ExecStart=/opt/opengnsys/sbin/ogAdmServer -f /opt/opengnsys/etc/ogAdmServer.cfg