Resolve "Mesh Shader Implementation"

Closes #87 (closed)

modules/meshlet/config/GLM.cmake

+
+find_package(glm QUIET)
+
+if (glm_FOUND)
+    list(APPEND vkcv_meshlet_includes ${GLM_INCLUDE_DIRS})
+    list(APPEND vkcv_meshlet_libraries glm)
+else()
+    if (EXISTS "${vkcv_meshlet_lib_path}/glm")
+        add_subdirectory(${vkcv_meshlet_lib}/glm)
+
+        list(APPEND vkcv_meshlet_includes ${vkcv_meshlet_lib_path}/glm)
+        list(APPEND vkcv_meshlet_libraries glm)
+    else()
+        message(WARNING "GLM is required..! Update the submodules!")
+    endif ()
+endif ()
+
+list(APPEND vkcv_meshlet_definitions GLM_DEPTH_ZERO_TO_ONE)
+list(APPEND vkcv_meshlet_definitions GLM_FORCE_LEFT_HANDED)
+
+if ((WIN32) AND (${CMAKE_SIZEOF_VOID_P} MATCHES 4))
+    list(APPEND vkcv_meshlet_definitions GLM_ENABLE_EXPERIMENTAL)
+endif()