refactoring of code to support themes and new hellug theme

themes/hellug-minimal/layouts/_default/single.html

@@ -0,0 +1,23 @@
+{{ partial "head.html" . }}
+<header>
+<!-- Header Start -->
+{{ partial "header.html" . }}
+<!-- Header End -->
+
+{{ partial .Params.bannertemplate . }}
+</header>
+<main>
+  <div class="master">
+  <!-- Content Area start -->
+  {{.Content}}
+  <!-- Content Area end -->
+  </div>
+  <div class="sidebar">
+<!-- Column 2 start -->
+{{ partial "column2.html" . }}
+<!-- Column 2 end -->
+  </div>
+</main>
+<!-- Footer Start -->
+{{ partial "footer.html" . }}
+<!-- Footer End -->