Benchmark beta
Add Benchmark

#	Hashrate	1 thread	Size	Duration	CPU	Threads	Version
1	2823.56	705.89	10MH	3541.627	1	4	6.16.2
2	2421.37	605.34	1MH	412.989	1	4	6.5.2
3	667.16	333.58	1MH	1498.885	1	2	6.21.0