feat(sidebar): add option to disable avatar in left sidebar (#268)

* Allow to disable logo image in left sidebar

* Enable sidebar avatar by default for backward compatibility

Co-authored-by: Jimmy Cai <github@jimmycai.com>

exampleSite/config.yaml

@@ -37,6 +37,7 @@ params:
         emoji: 🍥
         subtitle: Lorem ipsum dolor sit amet, consectetur adipiscing elit.
         avatar:
+            enabled: true
             local: true
             src: img/avatar.png
 

layouts/partials/sidebar/left.html

@@ -7,6 +7,7 @@
 
     <header class="site-info">
         {{ with .Site.Params.sidebar.avatar }}
+            {{ if (default true .enabled) }}
             <figure class="site-avatar">
                 {{ if not .local }}
                     <img src="{{ .src }}" width="300" height="300" class="site-logo" loading="lazy" alt="Avatar">
@@ -27,6 +28,7 @@
                 {{ end }}
             </figure>
             {{ end }}
+        {{ end }}
         <h1 class="site-name"><a href="{{ .Site.BaseURL }}">{{ .Site.Title }}</a></h1>
         <h2 class="site-description">{{ .Site.Params.sidebar.subtitle }}</h2>
     </header>