adds gles3 auto generated shader header files to ".gitignore"
@@ -8,6 +8,7 @@ platform/osx/logo.h
platform/windows/logo.h
platform/x11/logo.h
drivers/gles2/shaders/*.h
+drivers/gles3/shaders/*.h
modules/register_module_types.cpp
core/version.h
core/method_bind.inc