Benchmark beta
Add Benchmark

#	Hashrate	1 thread	Size	Duration	CPU	Threads	Version
1	1518.77	506.26	1MH	658.427	1	3	6.19.0
2	1515.73	505.24	1MH	659.750	1	3	6.19.0
3	1502.93	500.98	1MH	665.365	1	3	6.19.0
4	1461.39	487.13	1MH	684.278	1	3	6.19.0