By Veronika Bondarenko Applebee’s, Dunkin’ and California Pizza Kitchen have all launched special V-Day menu items this year. From heart-shaped pizzas to Applebee’s Tipsy Cupid cocktail, Valentine’s Day is not just a boon for the chocolate and flower industries. Many fast food chains are now using the day to launch new menu items and market various heart-themed products and promotions. Sometimes it’s cute and cheeky (Yum! Brands (YUM) – Get Yum! Brands, Inc. Report’s Pizza Hut will have its annual Spicy Lover’s Pizza) and sometimes it’s downright over-the-top (White Castle’s idea of a romantic…