feat: add social link for RSS and some configs (#250)

layouts/partials/plugin/link.html

@@ -1,5 +1,5 @@
 {{- $rel := "" -}}
-<a href="{{ .href }}"{{ with .title }} title="{{ . }}"{{ end }}{{ if strings.HasPrefix .href "http" }}{{ $rel = "noopener noreffer" }} target="_blank"{{ end }} rel="{{ $rel }}{{ with .rel }} {{ . }}{{ end }}"{{ with .class }} class="{{ . }}"{{ end }}>
+<a href="{{ .href }}"{{ with .title }} title="{{ . }}"{{ end }}{{ if (urls.Parse .href).Host | or .newtab }}{{ $rel = "noopener noreffer" }} target="_blank"{{ end }} rel="{{ $rel }}{{ with .rel }} {{ . }}{{ end }}"{{ with .class }} class="{{ . }}"{{ end }}>
     {{- with .icon -}}
         {{- partial "plugin/icon.html" . -}}
     {{- end -}}

layouts/partials/plugin/script.html

@@ -3,7 +3,7 @@
 {{- else -}}
     {{- $src := .source -}}
     {{- $integrity := .integrity -}}
-    {{- if strings.HasPrefix $src "http" | or (strings.HasPrefix $src "//") | not -}}
+    {{- if (urls.Parse $src).Host | not -}}
         {{- $res := resources.Get $src -}}
         {{- with .template -}}
             {{- $res = $res | resources.ExecuteAsTemplate . $.context -}}

layouts/partials/plugin/social.html

@@ -427,6 +427,13 @@
         {{- partial "plugin/link.html" $options -}}
     {{- end -}}
 
+    {{- /* 062: RSS */ -}}
+    {{- if .social.rss -}}
+        {{- $options := dict "href" (relLangURL "/index.xml") "title" "RSS" "newtab" true "rel" "me" -}}
+        {{- $options = dict "icon" (dict "class" "fas fa-rss fa-fw") | merge $options -}}
+        {{- partial "plugin/link.html" $options -}}
+    {{- end -}}
+
     {{- /* Custom */ -}}
     {{- with .social.Custom -}}
         {{- . | safeHTML -}}

layouts/partials/plugin/stylesheet.html

@@ -3,7 +3,7 @@
 {{- else -}}
     {{- $href := .source -}}
     {{- $integrity := .integrity -}}
-    {{- if strings.HasPrefix $href "http" | not -}}
+    {{- if (urls.Parse $href).Host | not -}}
         {{- $res := resources.Get $href -}}
         {{- with .template -}}
             {{- $res = $res | resources.ExecuteAsTemplate . $.context -}}