feat: add ability to add custom css and js

exampleSite/config.toml

@@ -62,6 +62,11 @@ disableHugoGeneratorInject = false
   # Prefix of link to the git commit detail page. GitInfo must be enabled.
   # gitUrl = ""
 
+  # Integrate Javascript files or stylesheets by adding the url to the external assets or by
+  # linking local files with their path relative to the static folder, e.g. "css/styles.css"
+  customCSS = []
+  customJS  = []
+
   # Toggle this option need to rebuild SCSS, requires extended version of Hugo
   justifyContent = false  # Set "text-align: justify" to .content.
 

layouts/partials/head.html

@@ -24,9 +24,11 @@
 {{ $style := resources.Get "scss/main.scss" | resources.ToCSS | resources.Minify | resources.Fingerprint }}
 <link rel="stylesheet" href="{{ $style.Permalink }}">
 
-{{- range .Site.Params.customCSS }}
-    <link rel="stylesheet" href="{{ . | absURL }}">
-{{- end }}
+{{ range $val := $.Site.Params.customCSS }}
+	{{ if gt (len $val) 0 }}
+		<link rel="stylesheet" type="text/css" href="{{ $val }}">
+	{{ end }}
+{{ end }}
 
 <!-- Icons -->
 {{- partial "favicons.html" }}

layouts/partials/javascript.html

@@ -16,3 +16,9 @@
         ga('send', 'pageview');
     </script>
 {{- end}}
+
+{{ range $val := $.Site.Params.customJS }}
+	{{ if gt (len $val) 0 }}
+		<script src="{{ $val }}"></script>
+	{{ end }}
+{{ end }}