v0.7.1

Added

• Added Authentification Database option when connect to mongo #139, thx @etiennecoutaud.
• Added helm chart to readme #140, thx @pgdagenais.
• PMM-4154: Added standard logging flags.

Fixed

• Fixed some function comments based on best practices from Effective Go #137, thx @CodeLingoBot.
• PMM-3473: Fixed panic and runtime error.