Benchmark beta
Add Benchmark

#	Hashrate	1 thread	Size	Duration	CPU	Threads	Version
1	9026.25	564.14	1MH	110.788	1	16	6.21.3
2	8815.47	550.97	1MH	113.437	1	16	6.19.1
3	7723.50	482.72	1MH	129.475	1	16	6.21.0