ADDED status column to the database user table
ADDED RATE TO THE CURRENCY TABLE 
ADDED TYPE TO THE CURRENCY TABLE CRYPTO OR CASH
ADDED MAIN_CURRENCY IN USERS TABLE DEFAULT  : USD , OR NGN
TRANSACTION HISTORY IS PAGINATED
UPDATE THE DECIMALS FOR RATES IN CURRENCY TABLE to 50,8

UPDATED TRANSACTION AND ACCOUNT TABLE DECIMAL TO 8

CURRENCY RATE RETURN KEY IS NOW fiat and crypto

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