feat: add Pocket Dungeon game prototype

Apps/PocketDungeon/main/Source/DungeonRenderer.h

@@ -0,0 +1,28 @@
+#pragma once
+
+#include "DungeonModel.h"
+#include <GameKit.h>
+#include <lvgl.h>
+
+namespace PocketDungeon {
+
+class DungeonRenderer {
+    lv_obj_t* root = nullptr;
+    lv_obj_t* board = nullptr;
+    lv_obj_t* cells[DUNGEON_ROWS][DUNGEON_COLS] {};
+    lv_obj_t* labels[DUNGEON_ROWS][DUNGEON_COLS] {};
+    lv_obj_t* status = nullptr;
+    lv_obj_t* message = nullptr;
+    GameKit::GridSpec grid {};
+
+    static lv_color_t tileColor(Tile tile);
+    static const char* tileText(Tile tile);
+    static lv_color_t entityColor(EntityType type);
+    void clearEntityLabels();
+
+public:
+    void create(lv_obj_t* parent);
+    void render(const DungeonModel& model, MoveResult lastResult);
+};
+
+} // namespace PocketDungeon