added tileshell script docs
added tileshell script docs

Change-Id: I69952aa4fe4eca6b5db1d8d08304a3c3e98954fb

nyurik/kartotherian,nyurik/kartotherian,nyurik/kartotherian,kartotherian/kartotherian,kartotherian/kartotherian,nyurik/kartotherian,kartotherian/kartotherian,kartotherian/kartotherian