When it bought the Scotch Hall shopping centre on the southern banks of the River Boyne in Drogheda in December 2022, the Omniplex Cinema Group’s managing director Paul Anderson said that adding a cinema was a “top priority”. Omniplex, the largest cinema chain on the island of Ireland with 38 locations, got to work fast. A new cinema in the shopping complex opened its doors last August, just as the Barbenheimer buzz was in full swing.  It is the family-run company’s second cinema in Louth, alongside the four-screen offering in the Boyne Centre, and the fourth to open last year…