<div class="container">
<form action="./subtitles" method="get">
    <select class="form-select" name="lang" aria-label="Language">
        <option selected value="">Select Language</option>
        {{for lang in languages}}
        <option value="{{lang.code}}">{{lang.name}}</option>
        {{end}}
    </select>
    <input type="submit" class="btn btn-primary" value="Next">
</form>
</div>