message: chore(statics): document fiat naming pattern
  fiat currencies should be named following the pattern /^t?fiat([a-z]{3})$/
  in which the 3 characters are the ISO currency codes
  Ticket:
diff: @@ -1562,7 +1562,7 @@ export function tpolygonErc20(
  /**
  * Factory function for fiat coin instances.
  *
  - * @param name unique identifier of the coin, should start with 'fiat' or 'tfiat'
  + * @param name unique identifier of the coin, should start with 'fiat' or 'tfiat' followed by the 3-char ISO-4217 alphabetical code
  * @param fullName Complete human-readable name of the coin
  * @param network Network object for this coin
  * @param decimalPlaces Number of decimal places this coin supports (divisibility exponent)
  