Add authentication documentation for GenesysGo credentials#116

Ricardo-Dinucci wants to merge 2 commits intoGenesysGo:mainGenesysGo/shadow-drive:mainfrom

Ricardo-Dinucci:docs/add-genesysgo-auth-documentationRicardo-Dinucci/shadow-drive:docs/add-genesysgo-auth-documentationCopy head branch name to clipboard