Benchmark beta
Add Benchmark

#	Hashrate	1 thread	Size	Duration	CPU	Threads	Version
1	227.32	227.32	1MH	4399.143	1	1	6.15.3
2	200.75	200.75	1MH	4981.236	1	1	6.16.3
3	154.23	154.23	1MH	6483.835	1	1	6.16.2