Adding enemies prefabs to the combat scene

include/enemy.h

@@ -0,0 +1,18 @@
+/*
+** EPITECH PROJECT, 2020
+** my_rpg	
+** File description:
+** enemy.h
+*/
+
+
+#ifndef MY_RPG_ENEMY_H
+#define MY_RPG_ENEMY_H
+
+struct enemy {
+    char *name;
+    char *prefab_src;
+    int spawn_rate;
+};
+
+#endif //MY_RPG_ENEMY_H

include/setup.h

@@ -50,3 +50,5 @@ bool dialog_input2(gc_engine *engine, gc_entity *entity, gc_vector2 pos, \
 enum gc_mousekeys key);
 bool dialog_input3(gc_engine *engine, gc_entity *entity, gc_vector2 pos, \
 enum gc_mousekeys key);
+
+gc_data *enemies_dataloader(gc_engine *engine, gc_scene *scene, node *n);