Benchmark beta
Add Benchmark

#	Hashrate	1 thread	Size	Duration	CPU	Threads	Version
1	30308.63	473.57	10MH	329.939	1	64	6.21.1
2	29995.98	476.13	10MH	333.378	1	63	6.21.1
3	29994.00	468.66	1MH	33.340	1	64	6.21.1
4	29974.40	475.78	10MH	333.618	1	63	6.21.1