added logo sample
added logo sample

stanley89/helios-server,stanley89/helios-server,benadida/helios-server,stanley89/helios-server,stanley89/helios-server,dmgawel/helios-server,RunasSudo/helios-server-mixnet,benadida/helios-server,RunasSudo/helios-server-mixnet,shirlei/helios-server,benadida/helios-server,pirati-cz/helios-server,benadida/helios-server,RunasSudo/helios-server-mixnet,dmgawel/helios-server,pirati-cz/helios-server,dmgawel/helios-server,pirati-cz/helios-server,shirlei/helios-server,pirati-cz/helios-server,shirlei/helios-server,shirlei/helios-server,RunasSudo/helios-server-mixnet,shirlei/helios-server,dmgawel/helios-server,RunasSudo/helios-server-mixnet,dmgawel/helios-server,benadida/helios-server,stanley89/helios-server,pirati-cz/helios-server