scripts: chk-shader-list: new script for checking sanity of shader list
scripts: chk-shader-list: new script for checking sanity of shader list

Signed-off-by: Julien Olivain <7fdfe229fce69a4d7f38653f3755ccbae5703f88@cotds.org>

jolivain/glslsandbox-player,jolivain/glslsandbox-player,jolivain/glslsandbox-player,jolivain/glslsandbox-player