Added documentation regarding .minikube/addons directory, changed bottom section to be a list of links, also put appropriate link in codecov
Added documentation regarding .minikube/addons directory, changed bottom section to be a list of links, also put appropriate link in codecov

dims/minikube,warmchang/minikube,dongsupark/minikube,warmchang/minikube,dongsupark/minikube,r2d4/minikube,abbytiz/minikube,warmchang/minikube,mikegrass/minikube,kubernetes/minikube,dlorenc/minikube,dims/minikube,dims/minikube,kubernetes/minikube,endocode/minikube,dalehamel/minikube,warmchang/minikube,abbytiz/minikube,dalehamel/minikube,kubernetes/minikube,r2d4/minikube,skipjaq/minikube,dlorenc/minikube,endocode/minikube,r2d4/minikube,aaron-prindle/minikube,aaron-prindle/minikube,dlorenc/minikube,warmchang/minikube,cu12/minikube,cu12/minikube,dlorenc/minikube,dlorenc/minikube,mikegrass/minikube,skipjaq/minikube,kubernetes/minikube,warmchang/minikube,dlorenc/minikube,kubernetes/minikube,skipjaq/minikube,aaron-prindle/minikube,warmchang/minikube,abbytiz/minikube,mikegrass/minikube,cu12/minikube,endocode/minikube,dongsupark/minikube,kubernetes/minikube,dlorenc/minikube,kubernetes/minikube,dlorenc/minikube,dalehamel/minikube