Benchmark beta
Add Benchmark

#	Hashrate	1 thread	Size	Duration	CPU	Threads	Version
1	1527.81	763.91	1MH	654.530	1	2	6.7.0
2	1407.79	703.90	1MH	710.331	1	2	6.6.1
3	762.32	381.16	1MH	1311.790	1	2	6.11.0-C3Pool