add key pairs for encryption, as well as better styling for posts page

views/register.html

@@ -4,8 +4,9 @@
   <link rel="stylesheet" href="/css/logon.css">
   <script type="text/javascript">
     function register() {
-      const user = document.getElementById("user").value
       const pw = document.getElementById("pass").value
+      localStorage.setItem("decryption_key",pw)
+      //yes I know this is not secure, but at this point I think it'd be better to trust the client for end-to-end encryption
     }
   </script>
   <script src="/js/addnavbar.js" charset="utf-8"></script>