Add docs for MFA totp (#704)

Co-authored-by: Brandon Hopkins <76761586+TechHutTV@users.noreply.github.com>

src/components/NavigationDocs.jsx

@@ -582,6 +582,10 @@ export const docsNavigation = [
                 title: 'Disable Local Auth',
                 href: '/selfhosted/identity-providers/disable-local-authentication',
               },
+              {
+                title: 'Enable MFA for local users',
+                href: '/selfhosted/identity-providers/enable-local-mfa',
+              },
             ],
           },
           {
@@ -964,4 +968,4 @@ function NavigationGroup({ group, className, hasChildren }) {
       </div>
     </li>
   )
-}
+}