Load inverse bind matrices into model

model.h

@@ -26,6 +26,7 @@ typedef struct {
 	vertex_t *vertices;
 	index_t *indices;
 	bone_t *bones;
+	mat4_t *inverse_bind_matrices;
 	size_t vertex_count;
 	size_t index_count;
 	size_t bone_count;