feat(links): add an option for external link decoration (#780)

* chore: add icons

* feat: add option to flag outbound links

* chore: generate

* docs: add configuration

* chore: use with the example site

* chore: use one icon with rotation

exampleSite/content/docs/guide/configuration.md

@@ -442,3 +442,12 @@ The field `message` supports Markdown syntax.
 
 If you want to use template syntax, you can define the partial in `layouts/_partials/custom/banner.html`.
 In this case, the field `message` will be ignored.
+
+### External Link Decoration
+
+Adds an arrow icon to external links (default: false) when rendering links from Markdown.
+
+```yaml
+params:
+  externalLinkDecoration: true
+```

exampleSite/hugo.yaml

@@ -121,6 +121,8 @@ menu:
 params:
   description: Modern, responsive, batteries-included Hugo theme for creating beautiful static websites.
 
+  externalLinkDecoration: true
+
   banner:
     key: 'announcement-v0_10'
 

exampleSite/hugo_stats.json

@@ -159,6 +159,7 @@
       "hx:active:shadow-gray-200",
       "hx:active:shadow-sm",
       "hx:align-[-2.5px]",
+      "hx:align-baseline",
       "hx:align-middle",
       "hx:align-text-bottom",
       "hx:appearance-none",
@@ -602,6 +603,7 @@
       "hx:rtl:pr-5",
       "hx:rtl:pr-6",
       "hx:rtl:pr-8",
+      "hx:rtl:rotate-270",
       "hx:rtl:text-left",
       "hx:scroll-my-6",
       "hx:scroll-py-6",