⚡ Dynamically generate profile portal URL

Signed-off-by: Luke Tainton <luke@tainton.uk>

app/.env.sample

@@ -1,5 +1,6 @@
 APP_NAME = "FHeD"
 APP_VERSION = "0.0.1"
+APP_URL = ""
 
 ATTACHMENTS_PATH = ""
 

app/includes/header.php

@@ -46,7 +46,7 @@
                   </a>
                   <div class="dropdown-menu" aria-labelledby="navbarDropdown">
                     <a class="dropdown-item text-muted" href="#"><?php echo($_SESSION['username']); ?></a>
-                    <a class="dropdown-item" href="<?php echo($_ENV['OIDC_HOST'] . "/account?referrer=fhed_test&referrer_uri=https%3A%2F%2Ffhed.tainton.uk"); ?>">Profile</a>
+                    <a class="dropdown-item" href="<?php echo($_ENV['OIDC_HOST'] . "/account?referrer=<?php echo($_ENV['OIDC_CLIENT_ID']); ?>&referrer_uri=<?php echo(urlencode($_ENV['APP_URL'])); ?>"); ?>">Profile</a>
                     <!-- <div class="dropdown-divider"></div> -->
                     <a class="dropdown-item" href="/logout">Log out</a>
                   </div>