更新多语言支持，新增“回到首页”文本到支付相关的语言文件中

i18n/locales/en-US.json

@@ -248,7 +248,8 @@
       "fail": "Payment Failed",
       "unpaid": "Unpaid",
       "expired": "Payment Expired",
-      "partial": "Partially Paid"
+      "partial": "Partially Paid",
+      "backToHome": "Back to homepage"
     },
     "text1": "Payment Result",
     "text2": "Payment Successful",

i18n/locales/ja-JP.json

@@ -248,7 +248,8 @@
       "fail": "支払い失敗",
       "unpaid": "未払い",
       "expired": "支払い期限切れ",
-      "partial": "一部支払い"
+      "partial": "一部支払い",
+      "backToHome": "ホームページに戻ります"
     },
     "text1": "支払い結果",
     "text2": "支払い成功",

i18n/locales/zh-TW.json

@@ -299,7 +299,8 @@
       "fail": "支付失敗",
       "unpaid": "未支付",
       "expired": "支付已過期",
-      "partial": "部分支付"
+      "partial": "部分支付",
+      "backToHome": "回到首頁"
     },
     "text1": "支付結果",
     "text2": "支付成功",