Fix asset paths when baseURL has sub-folder (#103)

See #97

layouts/_default/baseof.html

@@ -19,7 +19,7 @@
 
     {{ $stylesheet := .Site.Data.webpack_assets.app }}
     {{ with $stylesheet.css }}
-      <link href="{{ absURL (printf "%s%s" "/dist/" .) }}" rel="stylesheet">
+      <link href="{{ relURL (printf "%s%s" "dist/" .) }}" rel="stylesheet">
     {{ end }}
 
     {{ range .Site.Params.custom_css }}

layouts/partials/site-scripts.html

@@ -1,4 +1,4 @@
 {{ $script := .Site.Data.webpack_assets.app }}
 {{ with $script.js }}
-  <script src="{{ absURL (printf "%s%s" "/dist/" .) }}"></script>
+  <script src="{{ relURL (printf "%s%s" "dist/" .) }}"></script>
 {{ end }}