feat: Vue3로 새롭게 작성한 메인 페이지 (#229)

- v_front.php
- API 추가
  - General/GetFrontInfo
  - Global/GetGlobalMenu
- DTO 추가
  - MenuItem, MenuMulti, MenuSplit
- 글로벌 메뉴 출력 방식 변경
  - d_setting/GlobalMenu.php

Reviewed-on: https://storage.hided.net/gitea/devsam/core/pulls/229

hwe/ts/defs/API/Nation.ts

@@ -150,12 +150,23 @@ export type LiteNationInfoResponse = ValidResponse & {
   nation: NationStaticItem;
 };
 
+export type NationInfoFull = ValidResponse & {
+  nation: NationItem;
+  isFull: true,
+  impossibleStrategicCommandLists: [string, number][];
+  troops: Record<number, string>;
+}
+
+export type NationNotice = {
+  date: string,
+  msg: string,
+  author: string,
+  authorID: number,
+}
+
 export type NationInfoResponse =
   | (ValidResponse & {
       nation: NationStaticItem;
+      isFull?: false;
     })
-  | (ValidResponse & {
-      nation: NationItem;
-      impossibleStrategicCommandLists: [string, number][];
-      troops: Record<number, string>;
-    });
+  | NationInfoFull;