Function reserve_dynamic_data

src/resource/material_resource.cpp:215–220

	// Returns offset to start of data
	template<typename T>
	static u32 reserve_dynamic_data(Array<char> &dynamic, T data)
	{
		u32 offt = array::size(dynamic);
		array::push(dynamic, (char *)&data, sizeof(data));
		return offt;
	}

	static s32 parse_textures(Data &data, const char *json, CompileOptions &opts)
	{