📝 Update dietary guard product intro

lang/en-US.json

@@ -52,5 +52,7 @@
   "userActivityCaption": "Recent posts of this user.",
   "productArchived": "Archived",
   "callbackHint": "You need to sign in before access that page. After you signed in, you will be redirected to:",
-  "lastUpdatedAt": "Last updated at {0}"
+  "lastUpdatedAt": "Last updated at {0}",
+  "learnMore": "Learn more",
+  "open": "Open"
 }

lang/zh-CN.json

@@ -52,5 +52,7 @@
   "authorizeCompletedRedirectHint": "正在传送到…",
   "decline": "拒绝",
   "approve": "批准",
-  "lastUpdatedAt": "最后更新于 {0}"
+  "lastUpdatedAt": "最后更新于 {0}",
+  "learnMore": "了解更多",
+  "open": "打开"
 }