[Docs] Add VS Code snippet for external link pages (cloudflare#13017)

Author: pedrosousa

.vscode/devdocs.code-snippets

@@ -99,6 +99,20 @@
       "description": "Header for a partial Markdown file",
       "scope": "markdown"
     },
+    "Markdown header: external link page": {
+        "prefix": ["headerexternallink"],
+        "body": [
+          "---",
+          "pcx_content_type: navigation",
+          "title: ${1:title}",
+          "external_link: ${2:url}",
+          "weight: ${3:weight}",
+          "_build:",
+          "  publishResources: false",
+          "  render: never",
+          "---",
+        ]
+    },
     "Markdown header: add meta title": {
         "prefix": ["metatitle"],
         "body": [

SNIPPETS.md

@@ -20,6 +20,7 @@ Prefixes | Description
 `glossarytooltip` | Adds a new glossary reference, displaying its (short) definition as a tooltip.
 `headerpartialfile` | Inserts a header for a partial Markdown file.
 `headerpartialfileparams` | Inserts a header for a partial Markdown file with input parameters.
+`headerexternallink` | Inserts a header for a page with no content that links to an external URL.
 `inlinepill` or `pillinline` | Inserts shortcode for an inline pill (appearing after a piece of text) stating the release status (for example, Beta).
 `partialinclude` or `renderpartial` | Inserts a `render` shortcode to include content from a partial in the current document.
 `partialincludeparams` or `renderpartialparams` | Inserts a `render` shortcode to include content from a partial with input parameters in the current document.