:truck: Move standard leader into main template

src/templates/main.html

@@ -75,8 +75,11 @@ $endfor$
 $if(title)$
             <header id="title-block-header" class="focus-center">
                 <h1 class="title">$title$</h1>
+$if(title-img)$
+                <img class="rounded" src="$title-img.path$"$if(title-img.alt)$ alt="$title-img.alt$"$endif$>
+$endif$
 $if(subtitle)$
-                <p class="subtitle">$subtitle$</p>
+                <h2 class="subtitle">$subtitle$</h2>
 $endif$
 $for(author)$
                 <p class="author">$author$</p>
@@ -84,8 +87,8 @@ $endfor$
 $if(date)$
                 <p class="date">$date$</p>
 $endif$
-$if(leadImgSrc)$
-                <img src="$leadImgSrc$"$if(leadImgAlt)$ alt="$leadImgAlt$"$endif$>
+$if(content-description)$
+                <p class="lead">$content-description$</p>
 $endif$
             </header>
 $endif$