feat: add board functionality with articles and comments

- Implemented BoardView for creating and displaying articles with comments.
- Added NationAffairsView for managing national policies and financial settings.
- Created ScoutMessageView for editing recruitment messages.
- Introduced database migrations for board_post and board_comment tables.

app/game-api/test/battleSimRouter.test.ts

@@ -227,6 +227,9 @@ const buildContext = (options: { state: WorldStateRow; battleSim: BattleSimTrans
         battleSim: options.battleSim,
         profile,
         auth,
+        uploadDir: 'uploads',
+        uploadPath: '/uploads',
+        uploadPublicUrl: null,
         redis: {} as unknown as RedisConnector['client'],
         accessTokenStore,
         flushStore: new InMemoryFlushStore(),