The Rangers forward line is under the transfer microscope this summer after a disappointing season at Ibrox. Rangers number nine Cyriel Dessers was forced to bear the brunt of the club’s goalscoring responsibilities in his debut season. But with Brazilian striker Danilo returning from injury, and Moroccan hitman Hamza Igamane replacing perennial crock Kemar Roofe, there are more options in the squad this season. With Rangers holding out Abdallah Sima hope this summer, there’s still space for at least one new forward addition and fans are watching on as the club work hard to secure deals. But R…