fix: axe-core critical and major issues

lib/mv_web/components/layouts/navbar.ex

@@ -19,10 +19,10 @@ defmodule MvWeb.Layouts.Navbar do
         <form method="post" action="/set_locale" class="mr-4">
           <input type="hidden" name="_csrf_token" value={Plug.CSRFProtection.get_csrf_token()} />
           <label class="sr-only" for="locale-select">{gettext("Select language")}</label>
-          <select
+          <select 
             id="locale-select"
-            name="locale"
-            onchange="this.form.submit()"
+            name="locale" 
+            onchange="this.form.submit()" 
             class="select select-sm"
             aria-label={gettext("Select language")}
           >
@@ -47,9 +47,9 @@ defmodule MvWeb.Layouts.Navbar do
             <circle cx="12" cy="12" r="5" />
             <path d="M12 1v2M12 21v2M4.2 4.2l1.4 1.4M18.4 18.4l1.4 1.4M1 12h2M21 12h2M4.2 19.8l1.4-1.4M18.4 5.6l1.4-1.4" />
           </svg>
-          <input
-            type="checkbox"
-            value="dark"
+          <input 
+            type="checkbox" 
+            value="dark" 
             class="toggle theme-controller"
             aria-label={gettext("Toggle dark mode")}
           />