feat: implement public map features including caching, API integration, and UI components

app/game-api/src/router.ts

@@ -7,6 +7,7 @@ import { joinRouter } from './router/join/index.js';
 import { lobbyRouter } from './router/lobby/index.js';
 import { messagesRouter } from './router/messages/index.js';
 import { nationRouter } from './router/nation/index.js';
+import { publicRouter } from './router/public/index.js';
 import { troopRouter } from './router/troop/index.js';
 import { turnDaemonRouter } from './router/turnDaemon/index.js';
 import { turnsRouter } from './router/turns/index.js';
@@ -15,6 +16,7 @@ import { worldRouter } from './router/world/index.js';
 export const appRouter = router({
     health: healthRouter,
     lobby: lobbyRouter,
+    public: publicRouter,
     join: joinRouter,
     battle: battleRouter,
     world: worldRouter,