Adding Birthday tracking feature - to compete with FamilyWall

public/locales/zh.json

@@ -38,6 +38,7 @@
     "shopping": "购物",
     "notes": "便签",
     "contacts": "联系人",
+    "birthdays": "生日",
     "budget": "预算",
     "settings": "设置",
     "main": "主导航",
@@ -757,6 +758,34 @@
     "placeholder": "搜索…",
     "noResults": "未找到结果。"
   },
+  "birthdays": {
+    "title": "生日",
+    "addButton": "添加生日",
+    "searchPlaceholder": "搜索生日…",
+    "upcomingTitle": "即将到来的生日",
+    "upcomingHint": "接下来的生日庆祝，已同步到日历。",
+    "peopleTitle": "人物",
+    "peopleHint": "搜索、查看并编辑所有已保存的生日。",
+    "emptyTitle": "还没有生日",
+    "emptyDescription": "添加一个生日，让它显示在日历和提醒中。",
+    "newTitle": "新建生日",
+    "editTitle": "编辑生日",
+    "nameLabel": "姓名",
+    "birthDateLabel": "出生日期",
+    "photoLabel": "头像",
+    "removePhoto": "删除照片",
+    "notesLabel": "备注",
+    "notesPlaceholder": "礼物想法、最喜欢的蛋糕、家庭备注…",
+    "calendarHint": "每个生日都会自动添加到日历和提醒系统中。",
+    "requiredFields": "姓名和出生日期为必填项。",
+    "createdToast": "生日已保存。",
+    "updatedToast": "生日已更新。",
+    "deletedToast": "生日已删除。",
+    "deleteConfirm": "删除“{{name}}”的生日？",
+    "ageNoteToday": "今天满 {{age}} 岁。",
+    "ageNoteTomorrow": "明天满 {{age}} 岁。",
+    "ageNoteDays": "{{days}} 天后满 {{age}} 岁。"
+  },
   "reminders": {
     "sectionTitle": "提醒",
     "enableLabel": "设置提醒",