重构首页与tabBar：老黄历大日历+月历切换，新增百科页

tabBar（5个，全部带图标）：
- 老黄历(首页) / 许愿 / 八字 / 百科(新) / 我的(原设置)
- 移除日历tab，月历并入首页左上角切换
- 移除运势tab，改从'我的'页进入

首页重构：
- custom 导航栏，标题'老黄历'
- 老式万年历大日历卡片：大日期+农历+干支+宜忌
- 左右箭头切换日期，'回到今天'
- 左上角'月历/日历'切换按钮，月历视图复用原日历网格
- 月历点选日期自动切回日视图

新增百科页：
- 二十四节气/农历节日/公历节日/干支生肖/黄历术语 分类
- 搜索 + 展开详情

我的页（原设置）：
- 新增功能入口：每日运势/占卜/二十四节气/月历视图

mini/app.json

@@ -9,12 +9,13 @@
     "pages/solar-terms/solar-terms",
     "pages/settings/settings",
     "pages/wish-tree/wish-tree",
-    "pages/wish-detail/wish-detail"
+    "pages/wish-detail/wish-detail",
+    "pages/wiki/wiki"
   ],
   "window": {
     "backgroundTextStyle": "light",
     "navigationBarBackgroundColor": "#C41E3A",
-    "navigationBarTitleText": "万年历",
+    "navigationBarTitleText": "老黄历",
     "navigationBarTextStyle": "white",
     "backgroundColor": "#FFFBF5"
   },
@@ -26,15 +27,15 @@
     "list": [
       {
         "pagePath": "pages/home/home",
-        "text": "首页",
+        "text": "老黄历",
         "iconPath": "images/home.png",
         "selectedIconPath": "images/home-active.png"
       },
       {
-        "pagePath": "pages/calendar/calendar",
-        "text": "日历",
-        "iconPath": "images/calendar.png",
-        "selectedIconPath": "images/calendar-active.png"
+        "pagePath": "pages/wish-tree/wish-tree",
+        "text": "许愿",
+        "iconPath": "images/wish.png",
+        "selectedIconPath": "images/wish-active.png"
       },
       {
         "pagePath": "pages/bazi/bazi",
@@ -43,16 +44,16 @@
         "selectedIconPath": "images/bazi-active.png"
       },
       {
-        "pagePath": "pages/fortune/fortune",
-        "text": "运势",
-        "iconPath": "images/fortune.png",
-        "selectedIconPath": "images/fortune-active.png"
+        "pagePath": "pages/wiki/wiki",
+        "text": "百科",
+        "iconPath": "images/wiki.png",
+        "selectedIconPath": "images/wiki-active.png"
       },
       {
-        "pagePath": "pages/wish-tree/wish-tree",
-        "text": "许愿",
-        "iconPath": "images/wish.png",
-        "selectedIconPath": "images/wish-active.png"
+        "pagePath": "pages/settings/settings",
+        "text": "我的",
+        "iconPath": "images/me.png",
+        "selectedIconPath": "images/me-active.png"
       }
     ]
   },