Move the map_view and mini_map into gui as well.

gui/mini_map.hpp

@@ -0,0 +1,20 @@
+#pragma once
+#include "levelmanager.hpp"
+#include "textures.hpp"
+#include <guecs/ui.hpp>
+#include "tilemap.hpp"
+
+namespace gui {
+  class MiniMapUI {
+    public:
+      guecs::Textual $map_grid;
+      guecs::UI $gui;
+      GameLevel $level;
+      shared_ptr<sf::Font> $font = nullptr;
+
+      MiniMapUI(GameLevel &level);
+      void init(guecs::UI& overlay);
+      void render(sf::RenderWindow &window, int compass_dir);
+      void update_level(GameLevel &level);
+  };
+}