add redirect link to QA on index

data/language.json

@@ -100,5 +100,11 @@
         "en":"Question and Answer",
         "zh":"常見問題",
         "ch":"常见问题"
+    },
+    "registerAccountNotice":
+    {
+        "en":"To register a society account, please see Question and Answer (quesiton no.1) :",
+        "zh":"如需註冊社團帳號，請閱常見問題第一點",
+        "ch":"如需註册社团帐号，请阅常见问题第一点"
     }
 }

index.html

@@ -104,6 +104,15 @@
         </div>
     </div>
 
+    <div class="text-center">
+        <p name="registerAccountNotice">
+            To register an account, please see Question and Answer (quesiton no.1) :
+        </p>
+        <h3>
+            <a name="qa" href="qa.html">Quesiton and Answer</a>
+        </h3>
+    </div>
+
 
     <div class="container-fluid py-5">
         <div class="container">