Add avatar configuration and new single layout for Nightfall theme

config-nightfall.toml

@@ -35,13 +35,16 @@ theme = "nightfall"
 
   [params.author]
     name = "Hugo Nightfall"
+    avatar = "/avatar.png"
+    avatarSize = "size-m"
+    avatarFirst = true
+
+  readingTime = false
+  published = false
 
   [params.styles]
     color = "blue"
 
-readingTime = true
-published = true
-
 # footerHtml = 'CC BY-SA 4.0, Built with <a href="https://gohugo.io" class="footerLink">Hugo</a> and <a href="https://github.com/LordMathis/hugo-theme-nightfall" class="footerLink">Nightfall</a> theme'
 
 [[params.social]]