More customizing 🤘 (#33)

* Use sidebar param to show or hide sidebar toggle

* Make all sections optional

* Make footer quicklinks customizable

* Let customize the header image and link

layouts/_default/baseof.html

@@ -12,20 +12,44 @@
     </div>
 
     {{ block "main" . }}
+
+    {{ if .Site.Params.hero }}
     {{ partial "hero.html" . }}
+    {{ end }}
+
+    {{ if .Site.Params.section1 }}
     {{ partial "section1.html" . }}
+    {{ end }}
+
+    {{ if .Site.Params.section2 }}
     {{ partial "section2.html" . }}
+    {{ end }}
+
+    {{ if .Site.Params.section3 }}
     {{ partial "section3.html" . }}
+    {{ end }}
+
+    {{ if .Site.Params.section4 }}
     {{ partial "section4.html" . }}
+    {{ end }}
+
+    {{ if .Site.Params.section5 }}
     {{ partial "section5.html" . }}
+    {{ end }}
+
+    {{ if .Site.Params.footer }}
     {{ partial "footer.html" . }}
+    {{ end }}
 
     <!-- Back To Top Button -->
     <div id="backtotop"><a href="#"></a></div>
 
+    {{ if .Site.Params.sidebar }}
     {{ partial "sidebar.html" . }}
     {{ end }}
+    
+    {{ end }}
 
     {{ partial "javascript.html" . }}
   </body>
-</html>
+</html>