Added instructions
Added instructions

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