Update launchdarkly/README.md
Update launchdarkly/README.md

Co-Authored-By: Pierre Guceski <86850d92e00aa14eab21fd3e557d33a77ed4c5d4@datadoghq.com>
DataDog/integrations-extras,DataDog/integrations-extras,DataDog/integrations-extras,DataDog/integrations-extras,DataDog/integrations-extras