Make RSS feed optional

exampleSite/config.toml

@@ -12,6 +12,7 @@ theme = "hugo-cactus-theme"
 	twitter = "Your Twitter account"
 	# Disable comments by leaving disqusShortname empty
 	disqusShortname = "spf13"
+	enableRSS = true
 
 	# The variables below are optionally too and can be used to
 	# translate or customize each string of the theme.

layouts/partials/nav.html

@@ -8,5 +8,7 @@
 		<a href='{{ .Site.BaseURL }}about'>{{ with .Site.Params.about }}{{ . }}{{ else }}About{{ end }}</a>
 	{{ end }}
 
+	{{ if .Site.Params.enableRSS }}
 	<a class="cta" href="{{ .Site.BaseURL }}index.xml">{{ with .Site.Params.subscribe }}{{ . }}{{ else }}Subscribe{{ end }}</a>
+	{{ end }}
 </nav>