Benchmark beta
Add Benchmark

#	Hashrate	1 thread	Size	Duration	CPU	Threads	Version
1	4594.39	765.73	10MH	2176.566	1	6	6.18.0
2	4331.82	721.97	10MH	2308.499	1	6	6.18.0
3	2876.32	479.39	10MH	3476.664	1	6	6.18.0