Benchmark beta
Add Benchmark

#	Hashrate	1 thread	Size	Duration	CPU	Threads	Version
1	902.22	451.11	10MH	11083.727	1	2	6.8.1
2	885.70	442.85	10MH	11290.475	1	2	6.8.1
3	628.73	314.36	10MH	15905.193	1	2	6.8.0
4	451.97	225.98	10MH	22125.407	1	2	6.8.0
5	268.07	134.04	1MH	3730.335	1	2	6.14.1