set section identification "dynamically"

otherwise it's impossible to add navigation entries in a sane way by
moving pages. although likely I just don't understand something about
this template setup, which appears much more complicated than what's
needed here.

content/docs/contributing/how-to-contribute.md

@@ -11,7 +11,7 @@ template = "docs/page.html"
 [extra]
 lead = "Contribute to cLAN, improve documentation, or submit to showcase."
 toc = true
-top = false
+section = "docs"
 +++
 
 ## Contribute to the code

content/docs/help/faq.md

@@ -11,7 +11,7 @@ template = "docs/page.html"
 [extra]
 lead = "Answers to frequently asked questions."
 toc = true
-top = false
+section = "docs"
 +++
 
 ## Keyboard shortcuts for search?

content/docs/overview/index.md

@@ -11,7 +11,7 @@ template = "docs/page.html"
 [extra]
 lead = "Overview of cLAN's architecture, components and security"
 toc = true
-top = false
+section = "docs"
 +++
 
 

content/docs/thevision/index.md

@@ -8,6 +8,9 @@ weight = 30
 sort_by = "weight"
 paginator.next = "docs/overview/index.md"
 template = "docs/page.html"
+
+[extra]
+section = "docs"
 +++
 
 

themes/adidoks/templates/docs/page.html

@@ -6,7 +6,7 @@
 
 {% block header %}
   {# This value is matched by the config.extra.menu.main~url #}
-  {% set current_section = "docs" %}
+  {% set current_section = page.extra.section %}
   {{ macros_header::header(current_section=current_section)}}
 {% endblock header %}