support setting items per page in transaction list page

src/locales/en.js

@@ -1011,6 +1011,7 @@ export default {
     'Page Settings': 'Page Settings',
     'Overview Page': 'Overview Page',
     'Transaction List Page': 'Transaction List Page',
+    'Transactions Per Page': 'Transactions Per Page',
     'Show Monthly Total Amount': 'Show Monthly Total Amount',
     'Transaction Edit Page': 'Transaction Edit Page',
     'Automatically Add Geolocation': 'Automatically Add Geolocation',

src/locales/zh_Hans.js

@@ -1011,6 +1011,7 @@ export default {
     'Page Settings': '页面设置',
     'Overview Page': '总览页面',
     'Transaction List Page': '交易列表页面',
+    'Transactions Per Page': '每页交易数',
     'Show Monthly Total Amount': '显示月度总金额',
     'Transaction Edit Page': '交易编辑页面',
     'Automatically Add Geolocation': '自动添加地理位置',