Add more docs about the need for ~/.fuzzmanagerconf now that FuzzManager integration has landed.
Add more docs about the need for ~/.fuzzmanagerconf now that FuzzManager integration has landed.

nth10sd/funfuzz,nth10sd/funfuzz,MozillaSecurity/funfuzz,MozillaSecurity/funfuzz,MozillaSecurity/funfuzz,nth10sd/funfuzz