Readme improvements
Readme improvements

ofrobots/cloud-debug-nodejs,googleapis/cloud-debug-nodejs,googleapis/cloud-debug-nodejs,matthewloring/cloud-debug-nodejs,DominicKramer/cloud-debug-nodejs,ofrobots/cloud-debug-nodejs,DominicKramer/cloud-debug-nodejs,googleapis/cloud-debug-nodejs,matthewloring/cloud-debug-nodejs,ofrobots/cloud-debug-nodejs,DominicKramer/cloud-debug-nodejs,matthewloring/cloud-debug-nodejs