Add dummy .sh file for .dsv hook (backport #14) (#15)

(cherry picked from commit a037657)

Co-authored-by: Jan Hernas <40989249+jasiex01@users.noreply.github.com>

Author: mergify[bot]

leo_description/CMakeLists.txt

@@ -16,6 +16,7 @@ if(BUILD_TESTING)
   ament_lint_auto_find_test_dependencies()
 endif()
 
+ament_environment_hooks("${CMAKE_CURRENT_SOURCE_DIR}/hooks/gz_sim_resource_path.sh")
 ament_environment_hooks("${CMAKE_CURRENT_SOURCE_DIR}/hooks/gz_sim_resource_path.dsv")
 
 ament_package()