Benchmark beta
Add Benchmark

#	Hashrate	1 thread	Size	Duration	CPU	Threads	Version
1	4106.49	456.28	1MH	243.517	1	9	6.21.0
2	2071.18	230.13	1MH	482.816	1	9	6.17.0
3	2051.90	227.99	1MH	487.352	1	9	6.11.2