Fix the single template to use the authors avatar correctly (#107)

* Fix the single template to use the authors avatar correctly

* Replace absURL with relURL and .Site.X with site.X

Co-authored-by: Emruz Hossain <emruz@appscode.com>

exampleSite/config.yaml

@@ -15,7 +15,7 @@ languages:
   bn:
     languageName: বাংলা
     weight: 3
-  de: 
+  de:
     languageName: Deutsch
     weight: 4
   id: 
@@ -54,9 +54,9 @@ params:
   # transparent navbar and the main logo will be used in the non-transparent navbar.
   # It will be default to the theme logos if not provided.
   logo:
-    main: assets/images/main-logo.png
-    inverted: assets/images/inverted-logo.png
-    favicon: assets/images/favicon.png
+    main: /assets/images/main-logo.png
+    inverted: /assets/images/inverted-logo.png
+    favicon: /assets/images/favicon.png
 
   # GitHub repo URL of your site
   gitRepo: https://github.com/hossainemruz/toha-example-site