fixup! hapi(17.6): update docs, also update joi ecosys
fixup! hapi(17.6): update docs, also update joi ecosys

georgemarshall/DefinitelyTyped,mcliment/DefinitelyTyped,georgemarshall/DefinitelyTyped,AgentME/DefinitelyTyped,georgemarshall/DefinitelyTyped,markogresak/DefinitelyTyped,AgentME/DefinitelyTyped,magny/DefinitelyTyped,dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped,borisyankov/DefinitelyTyped,AgentME/DefinitelyTyped,borisyankov/DefinitelyTyped,AgentME/DefinitelyTyped,magny/DefinitelyTyped,dsebastien/DefinitelyTyped