add tagline

hugo.toml

@@ -70,6 +70,7 @@ path = "github.com/gohugoio/hugo-mod-bootstrap-scss/v5"
   theme_version = "5.2.0"
   toc = true
   avatar = "img/commons/avatar.jpg"
+  tagline = "A text-focused Jekyll theme"
 
 [params.assets]
   self_host = false

layouts/partials/sidebar.html

@@ -13,7 +13,9 @@
       </a>
   
       <a class="site-title d-block" href="{{ "/" | relURL }}">{{ .Site.Title }}</a>
+      {{ if .Site.Params.tagline }}
         <p class="site-subtitle fst-italic mb-0">{{ .Site.Params.tagline }}</p>
+      {{ end }}
     </header>
     <!-- .profile-wrapper -->