Include an option to remove the navigation menu (#340)

* Add showMenu option

The showMenu option allows users to remove the navigation menu if
necessary.

* Update README.md

This commit will update the README.md file to include information about
the showMenu option.

README.md

@@ -179,6 +179,8 @@ See the [hugo documentation](https://gohugo.io/content-management/multilingual/)
 
 Introduction contains a default menu. If you want to override this, you can do so by defining a `menu.main` in `config.toml`.
 
+Optionally, you can disable this menu by setting `showMenu` to `false` in your `config.toml`.
+
 ## Contact section clock
 
 Introduction can optionally show your current local time in your [contact section](https://hugo-introduction.netlify.app/#contact). This uses vanilla JS and variables you provide. You can set this up by copying the settings in the exampleSite `config.toml` for `localTime`, `timeZone`, and `timeFormat`.

exampleSite/config.toml

@@ -7,6 +7,7 @@ DefaultContentLanguage           = "en"                    # Default language fo
 [params]
     themeStyle                   = "auto"                  # Choose "light" or "dark" or "auto"
     favicon                      = "/img/fav.ico"          # Path to favicon file
+    showMenu                     = true                    # Show navigation menu
     showRSSButton                = false                   # Show rss button in navigation
     fadeIn                       = true                    # Turn on/off the fade-in effect
     fadeInIndex                  = false                   # Turn on/off the fade-in effect on the index page even if fade-in was otherwise turned off

layouts/partials/nav.html

@@ -1,3 +1,4 @@
+{{ if .Site.Params.showMenu | default true }}
 <!-- Begin Nav bar -->
 <div class="container">
     <hr>
@@ -115,3 +116,4 @@
     <hr>
 </div>
 <!-- End Nav bar -->
+{{ end }}