add config & extensions for header and body

config.toml

@@ -253,6 +253,12 @@ invert_title_order = false
 # Full path after the base URL required. So if you were to place it in "static" it would be "/favicon.png"
 favicon = "img/seedling.png"
 
+# Optionally extend the header by supplying an `extend_header.html` template
+extend_header = false
+
+# Optionally extend the body by supplying an `extend_body.html` template
+extend_body = false
+
 # Add an emoji here to use it as favicon.
 # Compatibility: https://caniuse.com/link-icon-svg
 favicon_emoji = "🌱"

templates/base.html

@@ -43,6 +43,11 @@ This variable will hold all the text strings for the language #}
         {% endblock main_content %}
     </div>
     {% include "partials/footer.html" %}
+
+    {# Optional extended body content #}
+    {%- if config.extra.extend_body -%}
+        {% include "extend_body.html" %}
+    {%- endif -%}
 </body>
 
 </html>

templates/partials/header.html

@@ -177,4 +177,8 @@
         {%- endif -%}
     {%- endif -%}
 
+    {# Optional extended header content #}
+    {%- if config.extra.extend_header -%}
+        {% include "extend_header.html" %}
+    {%- endif -%}
 </head>