Updated gitignore
Updated gitignore

rusucosmin/courses,rusucosmin/courses,rusucosmin/courses,rusucosmin/courses,rusucosmin/courses,rusucosmin/courses,rusucosmin/courses,rusucosmin/courses,rusucosmin/courses,rusucosmin/courses,rusucosmin/courses,rusucosmin/courses,rusucosmin/courses,rusucosmin/courses