updated layout for webmail

internal/webui/templates/webmail_certs.html

@@ -23,6 +23,7 @@
                 <button type="button" onclick="openCompose('/webmail/mail/compose')" class="btn btn-outline-light btn-sm"><i class="bi bi-pencil-square me-1"></i>Compose</button>
                 <a href="/webmail/rules" class="btn btn-outline-light btn-sm"><i class="bi bi-funnel me-1"></i>Rules</a>
                 <a href="/webmail/certs" class="btn btn-light btn-sm"><i class="bi bi-shield-lock me-1"></i>Certs</a>
+                <a href="/webmail/signatures" class="btn btn-outline-light btn-sm"><i class="bi bi-pen me-1"></i>Signatures</a>
                 <a href="/webmail/account" class="btn btn-outline-light btn-sm"><i class="bi bi-gear me-1"></i>Account</a>
                 <form method="post" action="/webmail/logout" class="d-inline">
                     <button type="submit" class="btn btn-outline-light btn-sm"><i class="bi bi-box-arrow-right me-1"></i>Sign out</button>
@@ -33,7 +34,7 @@
 
     <div class="toast-container position-fixed top-0 end-0 p-3" style="z-index: 1090;">
         {{range .flashes}}
-        <div class="toast align-items-center text-bg-{{if eq .Category "error"}}danger{{else}}{{.Category}}{{end}} border-0" role="alert" aria-live="assertive" aria-atomic="true" data-bs-autohide="false">
+        <div class="toast align-items-center text-bg-{{if eq .Category "error"}}danger{{else}}{{.Category}}{{end}} border-0" role="alert" aria-live="assertive" aria-atomic="true">
             <div class="d-flex">
                 <div class="toast-body">
                     <i class="bi bi-{{if eq .Category "error"}}exclamation-triangle{{else if eq .Category "success"}}check-circle{{else}}info-circle{{end}} me-2"></i>