Add tool to migrate refreshToken from users collection to renewTokens collection
needed to add some functions in db package to export private functions (GetContext() public alias of getContext, and generic function to get a Collection object using collection name constants)
Add tool to migrate refreshToken from users collection to renewTokens collection needed to add some functions in db package to export private functions (GetContext() public alias of getContext, and generic function to get a Collection object using collection name constants)