Add proper plural forms for all localized strings

- Russian: add _one/_few/_many forms for proper declension
- English: add _one/_other forms for singular/plural
- Chinese: add _other form (no plural changes in Chinese)
- Farsi: add _other form (no plural changes in Farsi)

Fixed plural forms for:
- purchaseCount, registrations, subscriptions, tariffs
- device limits, members, hours, templates
- offers, notifications, promocodes, groups
- showMore and other count-based strings

src/locales/en.json

@@ -413,7 +413,8 @@
     "additionalOptions": {
       "title": "Additional options",
       "buyDevices": "Buy more devices",
-      "currentDeviceLimit": "Current limit: {{count}} devices",
+      "currentDeviceLimit_one": "Current limit: {{count}} device",
+      "currentDeviceLimit_other": "Current limit: {{count}} devices",
       "maxDevices": "max {{count}}",
       "devicesUnavailable": "Device purchase is not available",
       "devicesUnit": "devices",
@@ -421,14 +422,18 @@
       "reduceDevices": "Reduce devices",
       "reduceDevicesTitle": "Reduce device limit",
       "reduceDevicesDescription": "You can reduce the number of devices to the tariff minimum",
-      "minDeviceLimit": "Tariff minimum: {{count}} devices",
-      "connectedDevices": "Connected devices: {{count}}",
-      "disconnectDevicesFirst": "Disconnect devices first to reduce the limit below {{count}}",
+      "minDeviceLimit_one": "Tariff minimum: {{count}} device",
+      "minDeviceLimit_other": "Tariff minimum: {{count}} devices",
+      "connectedDevices_one": "Connected devices: {{count}}",
+      "connectedDevices_other": "Connected devices: {{count}}",
+      "disconnectDevicesFirst_one": "Disconnect devices first to reduce the limit below {{count}} device",
+      "disconnectDevicesFirst_other": "Disconnect devices first to reduce the limit below {{count}} devices",
       "reduceUnavailable": "Device reduction is not available",
       "alreadyAtMinDeviceLimit": "Already at minimum device limit for your tariff",
       "reduce": "Reduce",
       "reducing": "Reducing...",
-      "newDeviceLimit": "New limit: {{count}} devices",
+      "newDeviceLimit_one": "New limit: {{count}} device",
+      "newDeviceLimit_other": "New limit: {{count}} devices",
       "buyTraffic": "Buy more traffic",
       "currentTrafficLimit": "Current limit: {{limit}} GB (used {{used}} GB)",
       "buyTrafficTitle": "Buy more traffic",
@@ -1461,7 +1466,8 @@
       },
       "table": {
         "inactive": "Inactive",
-        "registrations": "{{count}} registrations",
+        "registrations_one": "{{count}} registration",
+        "registrations_other": "{{count}} registrations",
         "revenue": "{{amount}} revenue",
         "conversion": "{{rate}}% conversion",
         "statistics": "Statistics",
@@ -1507,8 +1513,10 @@
         "paidUsers": "Paid",
         "conversion": "Conversion",
         "bonusesIssued": "Bonuses issued",
-        "subscriptionsIssued": "{{count}} subscriptions",
-        "tariffsIssued": "{{count}} tariffs",
+        "subscriptionsIssued_one": "{{count}} subscription",
+        "subscriptionsIssued_other": "{{count}} subscriptions",
+        "tariffsIssued_one": "{{count}} tariff",
+        "tariffsIssued_other": "{{count}} tariffs",
         "avgRevenuePerUser": "Avg revenue per user",
         "avgFirstPayment": "Avg first payment",
         "trialSubscriptions": "Trial subscriptions",
@@ -1560,8 +1568,10 @@
       "until": "Until",
       "discountForHours": "-{{percent}}% for {{hours}}h",
       "tabs": {
-        "promocodes": "Promo codes ({{count}})",
-        "groups": "Discount groups ({{count}})"
+        "promocodes_one": "Promo codes ({{count}} code)",
+        "promocodes_other": "Promo codes ({{count}} codes)",
+        "groups_one": "Discount groups ({{count}} group)",
+        "groups_other": "Discount groups ({{count}} groups)"
       },
       "type": {
         "balance": "Balance",
@@ -1619,7 +1629,8 @@
         "daysLabel": "Days",
         "discountLabel": "Discount",
         "validFor": "Valid for",
-        "hoursValue": "{{count}} hours",
+        "hoursValue_one": "{{count}} hour",
+        "hoursValue_other": "{{count}} hours",
         "limit": "Limit",
         "status": "Status",
         "active": "Active",
@@ -1660,7 +1671,8 @@
         "default": "Default",
         "daysShort": "{{days}} d.",
         "autoFrom": "Auto from {{amount}} RUB",
-        "members": "{{count}} members"
+        "members_one": "{{count}} member",
+        "members_other": "{{count}} members"
       },
       "confirm": {
         "deletePromocode": "Delete promo code?",
@@ -1732,7 +1744,8 @@
       "search": "Search by ID, name, username...",
       "searchEmail": "Search by email...",
       "noData": "No users found",
-      "purchaseCount": "{{count}} purchases",
+      "purchaseCount_one": "{{count}} purchase",
+      "purchaseCount_other": "{{count}} purchases",
       "noPurchases": "No purchases",
       "stats": {
         "total": "Total",
@@ -1872,7 +1885,8 @@
       "subtitle": "Templates, broadcasts and offer logs",
       "sendButton": "Send",
       "tabs": {
-        "templates": "Templates ({{count}})",
+        "templates_one": "Templates ({{count}} template)",
+        "templates_other": "Templates ({{count}} templates)",
         "logs": "Logs"
       },
       "noData": {
@@ -1923,9 +1937,12 @@
       },
       "result": {
         "sentTitle": "Sent!",
-        "offersCreated": "Offers created: {{count}}",
-        "notificationsSent": "Notifications sent: {{count}}",
-        "notificationsFailed": "(failed: {{count}})",
+        "offersCreated_one": "Offer created: {{count}}",
+        "offersCreated_other": "Offers created: {{count}}",
+        "notificationsSent_one": "Notification sent: {{count}}",
+        "notificationsSent_other": "Notifications sent: {{count}}",
+        "notificationsFailed_one": "(failed: {{count}})",
+        "notificationsFailed_other": "(failed: {{count}})",
         "sendError": "Failed to send offer"
       },
       "notFound": "Template not found",
@@ -1991,7 +2008,8 @@
       "enable": "Enable",
       "disable": "Disable",
       "hide": "Hide ({{count}})",
-      "showMore": "Show {{count}} more nodes"
+      "showMore_one": "Show {{count}} more node",
+      "showMore_other": "Show {{count}} more nodes"
     },
     "topReferrers": {
       "title": "Top referrers",