add latest version on top of single spec page

Signed-off-by: Toshaan Bharvani <toshaan@vantosh.com>

themes/openpowerfoundation/layouts/specifications/single.html

@@ -2,6 +2,9 @@
 
 {{ partial "navbar.html" . }}
 
+{{ $filename := .File.BaseFileName }}
+{{ $datafile := index $.Site.Data.specifications $filename }}
+
 <main id="main">
 
 <section id="page" class="section-bg">
@@ -11,6 +14,19 @@
 			<p class="section-description"></p>
 			<span class="section-divider"></span>
 		</div>
+		<div class="row">
+			<div class="col-lg-2">&nbsp;</div>
+			<div class="col-lg-4">
+			{{ if $datafile.versions }}
+				{{ range last 1 $datafile.versions }}
+					Latest version {{ .number }}
+				{{ end }}
+			{{ end }}
+			</div>
+			<div class="col-lg-4">
+			</div>
+			<div class="col-lg-2">&nbsp;</div>
+		</div>
 		<div class="row">
 			<div class="col-lg-2">&nbsp;</div>
 			<div class="col-lg-8 content wow fadeInTop">
@@ -25,8 +41,7 @@
 				{{ end }}
 			</div>
 		</div>
-		{{ $filename := .File.BaseFileName }}
-		{{ $datafile := index $.Site.Data.specifications $filename }}
+
 		{{ if $datafile.versions }}
 		<div class="row">
 			<div class="col-lg-12">