Update footer with my-spot url and version

        <p class="text-muted">

            <small>

                e Foundation 2019,

                {{ _('Powered by') }} <a href="https://asciimoo.github.io/searx/">searx</a><br/>

                {{ _('Powered by') }} <a href="https://gitlab.e.foundation/e/cloud/my-spot">searx</a>

                {{ searx_version }}

                <br/>

                <span class="links">

                    <a href="https://e.foundation">{{ _('About') }}</a>

                    <a href="{{ url_for('privacy') }}">{{ _('Privacy') }}</a>