create cpp files and functions for OpenGL shaders

projects/apis/opengl/src/shaders/opengl_shader_module.h

@@ -0,0 +1,8 @@
+#include "core/src/shader_module/gryphn_shader_module.h"
+
+typedef struct gnPlatformShaderModule_t {
+    const char* shaderSource;
+} gnPlatformShaderModule;
+
+gnReturnCode openglCreateShaderModule(gnShaderModule module, gnDevice device, gnShaderModuleInfo shaderModuleInfo);
+void openglDestroyShaderModule(gnShaderModule module);