Add Minds Pay and Minds Plus metrics into earnings analytics

• https://www.minds.com/analytics/dashboard/earnings

• Add Minds Pay to earnings analytics which is a total amount earned through Pay in the selected time period

• Add Minds Plus to earnings analytics which is a life-time total of Minds Plus payouts. At the end of each month, we pay out each contributor, which creates a transaction in the wallet, which should be added to the total Minds Plus earnings metric.