There are signals P.E.I.’s purple-hot real estate industry could be beginning to neat — but that won’t mean it’s likely to be any easier to split into the Island’s competitive real estate industry. Nationally, the marketplace showed indications of cooling in March as each the number of homes marketed and the regular advertising price tag declined when compared to the previous thirty day period. But which is not the case on P.E.I.  “The flattening hasn’t always strike us yet below,” said James Marjerrison, the newly minted president of the P.E.I. True Estate Association.  “But I would not be surprised, with climbing interest rates and history highs, that there would be a bit of a flattening period of…