Support for Resume/CV Links (#2826)

Solves #2825

_layouts/cv.liquid

@@ -54,12 +54,17 @@ layout: default
         {{ page.title }}
         {% if page.cv_pdf %}
           <a
-            href="{{ page.cv_pdf | prepend: 'assets/pdf/' | relative_url}}"
+            {% if page.cv_pdf contains '://' %}
+              href="{{ page.cv_pdf }}"
+            {% else %}
+              href="{{ page.cv_pdf | prepend: 'assets/pdf/' | relative_url }}"
+            {% endif %}
             target="_blank"
             rel="noopener noreferrer"
             class="float-right"
-            ><i class="fa-solid fa-file-pdf"></i
-          ></a>
+          >
+            <i class="fa-solid fa-file-pdf"></i>
+          </a>
         {% endif %}
       </h1>
       {% if page.description %}

_pages/cv.md

@@ -4,7 +4,7 @@ permalink: /cv/
 title: cv
 nav: true
 nav_order: 5
-cv_pdf: example_pdf.pdf
+cv_pdf: example_pdf.pdf # you can also use external links here
 description: This is a description of the page. You can modify it in '_pages/cv.md'. You can also change or remove the top pdf download button.
 toc:
   sidebar: left