<nav class="bar">
	<ul>
		{{ range .Site.Menus.main }}
        <li><a href="{{ .URL }}">{{ .Name | title | singularize }}</a></li>
        {{ end }}
	</ul>
</nav>

<nav class="bar">
	<ul>
		{{- if not .IsHome -}}
		<li>
			<a href="/">
				<img class="icon-text" src="/img/prev.svg"/>
			</a>
		</li>
		{{- end -}}
		{{- range .Site.Menus.main -}}
        <li><a href="{{ .URL }}">{{ .Name | title }}</a></li>
        {{- end -}}
	</ul>
</nav>

Add navigation link to Home if not in Homepage
Add navigation link to Home if not in Homepage
