feat(settings): add EasyPay provider recommendation link below enabled providers

frontend/src/i18n/locales/en.ts

@@ -4448,7 +4448,8 @@ export default {
         enabled: 'Enable Payment',
         enabledHint: 'Enable or disable the payment system',
         enabledPaymentTypes: 'Enabled Providers',
-        enabledPaymentTypesHint: 'Disabling a provider will also disable its instances',
+        enabledPaymentTypesHint: 'Disabling a provider will also disable its instances.',
+        findProvider: 'Looking for a suitable EasyPay provider?',
         minAmount: 'Minimum Amount',
         maxAmount: 'Maximum Amount',
         dailyLimit: 'Daily Limit',

frontend/src/i18n/locales/zh.ts

@@ -4612,7 +4612,8 @@ export default {
         enabled: '启用支付',
         enabledHint: '启用或禁用支付系统',
         enabledPaymentTypes: '启用的服务商',
-        enabledPaymentTypesHint: '禁用服务商将同时禁用对应的实例',
+        enabledPaymentTypesHint: '禁用服务商将同时禁用对应的实例。',
+        findProvider: '正在寻找合适的 EasyPay 服务商？',
         minAmount: '最低金额',
         maxAmount: '最高金额',
         dailyLimit: '每日限额',

frontend/src/views/admin/SettingsView.vue

@@ -2202,6 +2202,13 @@
                     ]"
                   >{{ pt.label }}</button>
                 </div>
+                <p class="mt-2 text-xs text-gray-400 dark:text-gray-500">
+                  {{ t('admin.settings.payment.enabledPaymentTypesHint') }}
+                  <a :href="locale === 'zh' ? 'https://github.com/Wei-Shaw/sub2api/blob/main/docs/PAYMENT_CN.md#%E6%94%AF%E6%8C%81%E7%9A%84%E6%94%AF%E4%BB%98%E6%96%B9%E5%BC%8F' : 'https://github.com/Wei-Shaw/sub2api/blob/main/docs/PAYMENT.md#supported-payment-methods'" target="_blank" rel="noopener noreferrer" class="ml-1 text-primary-500 hover:text-primary-600 dark:text-primary-400 dark:hover:text-primary-300">
+                    {{ t('admin.settings.payment.findProvider') }}
+                    <svg class="mb-0.5 ml-0.5 inline h-3 w-3" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M10 6H6a2 2 0 00-2 2v10a2 2 0 002 2h10a2 2 0 002-2v-4M14 4h6m0 0v6m0-6L10 14" /></svg>
+                  </a>
+                </p>
               </div>
               <!-- Row 5: Help image + text -->
               <div class="grid grid-cols-2 gap-3">