Benchmark beta
Add Benchmark

#	Hashrate	1 thread	Size	Duration	CPU	Threads	Version
1	2434.52	608.63	1MH	410.758	1	4	6.12.1
2	2431.89	607.97	1MH	411.203	1	4	6.15.2
3	2321.98	580.49	1MH	430.667	1	4	6.12.1