Changed link to documentation.
Changed link to documentation.

Points the documentation link to the serilog/serilog/wiki page instead of the https://github.com/nblumhardt/serilog/wiki site where there is no content.
colin-young/serilog,skomis-mm/serilog,redwards510/serilog,SaltyDH/serilog,serilog/serilog,vossad01/serilog,adamchester/serilog,serilog/serilog,zmaruo/serilog,harishjan/serilog,colin-young/serilog,clarkis117/serilog,nblumhardt/serilog,jotautomation/serilog,ravensorb/serilog,joelweiss/serilog,DavidSSL/serilog,ajayanandgit/serilog,CaioProiete/serilog,merbla/serilog,khellang/serilog,harishjan/serilog,JuanjoFuchs/serilog,vorou/serilog,nblumhardt/serilog,Applicita/serilog,richardlawley/serilog,adamchester/serilog,skomis-mm/serilog,Jaben/serilog,clarkis117/serilog,ravensorb/serilog,merbla/serilog,joelweiss/serilog