By Kayla Samek—For many people, their hobbies merely occupy their spare time. But for Morningside Senior Nik Rasmussen, his film-making hobby has become an important part of his life. He wants to share his passion for underground movies with the people of Sioux City, so Rasmussen created S.C.U.F.F.—Sioux City Underground Film Festival. S.C.U.F.F. was Thursday,…