feat: add dedicated account settings page

webui/index.html

@@ -17,6 +17,7 @@
 
         <nav class="nav-links">
           <a class="nav-link active" href="/">Dashboard</a>
+          <a class="nav-link" href="/settings">Settings</a>
           <a class="nav-link" href="/viewer">Message Viewer</a>
           <a class="nav-link" href="/swagger">API Docs</a>
           <a class="nav-link" href="/health">Health</a>
@@ -33,7 +34,7 @@
           <button class="button primary" id="scrape-all-btn">Scrape all channels</button>
           <button class="button" id="export-all-btn">Export all data</button>
           <button class="button" id="refresh-dialogs-btn">Refresh dialogs</button>
-          <button class="button" id="open-settings-btn" type="button">Settings</button>
+          <a class="button" id="open-settings-btn" href="/settings">Settings</a>
         </section>
       </aside>