Benchmark beta
Add Benchmark

#	Hashrate	1 thread	Size	Duration	CPU	Threads	Version
1	480.60	240.30	1MH	2080.724	1	2	6.8.1
2	405.13	202.57	1MH	2468.338	1	2	6.11.2
3	227.74	113.87	1MH	4390.880	1	2	6.11.2