By Leigh Thomas PARIS (Reuters) – As Emmanuel Macron launches his campaign for a second term in April’s presidential election, he can count on an economic boom that French voters have not seen the likes of in a generation to boost his bid. With economic growth surging and unemployment falling, Macron can point to a barrage of data to show he has rebooted the euro zone’s second biggest economy, though the fallout from the Ukraine crisis risks distracting from his economic record. Announcing last Thursday that he would run for re-election, Macron will need to convince voters that the economic ga…