appview/pages: link to signup page in timeline view

Signed-off-by: oppiliappan <[e-mail]>

appview/pages/templates/layouts/topbar.html

···
                 </a>
             </div>
 
-            <div id="right-items" class="flex items-center gap-4">
+            <div id="right-items" class="flex items-center gap-2">
                 {{ with .LoggedInUser }}
                     <a href="/repo/new" hx-boost="true" class="btn-create hover:no-underline hover:text-white">
                       {{ i "plus" "w-4 h-4" }}

appview/pages/templates/timeline.html

···
         </p>
 
         <div class="flex gap-6 items-center">
-          <a href="/login" class="no-underline hover:no-underline ">
-            <button class="btn flex gap-2 px-4 items-center">
+          <a href="/signup" class="no-underline hover:no-underline ">
+            <button class="btn-create flex gap-2 px-4 items-center">
               join now {{ i "arrow-right" "size-4" }}
             </button>
           </a>