refined README ref to contrib file
refined README ref to contrib file

studentinsights/studentinsights,studentinsights/studentinsights,jhilde/studentinsights,studentinsights/studentinsights,erose/studentinsights,jhilde/studentinsights,jhilde/studentinsights,erose/studentinsights,erose/studentinsights,studentinsights/studentinsights,erose/studentinsights,jhilde/studentinsights