feat: move campaign statistics to dedicated page

src/locales/en.json

@@ -1439,6 +1439,9 @@
         "saving": "Saving..."
       },
       "stats": {
+        "title": "Campaign Statistics",
+        "loadError": "Failed to load statistics",
+        "detailedStats": "Detailed Statistics",
         "registrations": "Registrations",
         "revenue": "Revenue",
         "paidUsers": "Paid",
@@ -1456,7 +1459,10 @@
         "inactive": "Inactive",
         "copy": "Copy",
         "copied": "Copied!",
-        "users": "Users"
+        "users": "Users",
+        "noUsers": "No registered users",
+        "paid": "Paid",
+        "hasSub": "Has sub"
       },
       "users": {
         "title": "Campaign Users",

src/locales/fa.json

@@ -1232,6 +1232,9 @@
         "saving": "در حال ذخیره..."
       },
       "stats": {
+        "title": "آمار کمپین",
+        "loadError": "خطا در بارگذاری آمار",
+        "detailedStats": "آمار دقیق",
         "registrations": "ثبت‌نام‌ها",
         "revenue": "درآمد",
         "paidUsers": "پرداخت کرده",
@@ -1249,7 +1252,10 @@
         "inactive": "غیرفعال",
         "copy": "کپی",
         "copied": "کپی شد!",
-        "users": "کاربران"
+        "users": "کاربران",
+        "noUsers": "کاربر ثبت‌نام شده‌ای وجود ندارد",
+        "paid": "پرداخت کرده",
+        "hasSub": "دارای اشتراک"
       },
       "users": {
         "title": "کاربران کمپین",

src/locales/ru.json

@@ -1950,6 +1950,9 @@
         "saving": "Сохранение..."
       },
       "stats": {
+        "title": "Статистика кампании",
+        "loadError": "Не удалось загрузить статистику",
+        "detailedStats": "Детальная статистика",
         "registrations": "Регистраций",
         "revenue": "Доход",
         "paidUsers": "Оплатили",
@@ -1967,7 +1970,10 @@
         "inactive": "Неактивна",
         "copy": "Копировать",
         "copied": "Скопировано!",
-        "users": "Пользователи"
+        "users": "Пользователи",
+        "noUsers": "Нет зарегистрированных пользователей",
+        "paid": "Платил",
+        "hasSub": "Подписка"
       },
       "users": {
         "title": "Пользователи кампании",

src/locales/zh.json

@@ -1231,6 +1231,9 @@
         "saving": "保存中..."
       },
       "stats": {
+        "title": "活动统计",
+        "loadError": "加载统计失败",
+        "detailedStats": "详细统计",
         "registrations": "注册数",
         "revenue": "收入",
         "paidUsers": "已付费",
@@ -1248,7 +1251,10 @@
         "inactive": "未激活",
         "copy": "复制",
         "copied": "已复制！",
-        "users": "用户"
+        "users": "用户",
+        "noUsers": "没有注册用户",
+        "paid": "已付费",
+        "hasSub": "有订阅"
       },
       "users": {
         "title": "活动用户",