Add API Documentation links to user dropdown menu

- Added 'API Documentation' link for all users pointing to /api
- Added 'Admin API Documentation' link for admin users pointing to /admin/api

templates/base.html

@@ -88,9 +88,11 @@
                 </div>
                 <div id="userDropdown" class="user-dropdown">
                     <a href="/account">Account</a>
+                    <a href="/api">API Documentation</a>
                     {% if user.get('role') != 'admin' %}
                     <a href="/api_tokens">Linked Apps</a>
                     {% else %}
+                    <a href="/admin/api">Admin API Documentation</a>
                     <a href="/admin/users">Users</a>
                     <a href="/api_tokens">Linked Apps</a>
                     <a href="/config">Configurations</a>