repo link in documentation

Author: OlafenwaMoses

mkdocs.yml

@@ -3,6 +3,7 @@ site_url: https://docs.vizion3d.org/
 site_description: Unified 3D Computer Vision Library
 theme:
   name: material
+  custom_dir: overrides
   features:
     - navigation.tabs
     - navigation.sections

overrides/404.html

@@ -0,0 +1,13 @@
+{#-
+  Keep the repo link visible on MkDocs' standalone 404 page as well.
+-#}
+{% extends "main.html" %}
+
+{% block content %}
+  <h1>404 - Not found</h1>
+  <p class="vizion3d-repo-link">
+    <a href="https://github.com/OlafenwaMoses/vizion3D" target="_blank" rel="noopener">
+      GitHub repository: OlafenwaMoses/vizion3D
+    </a>
+  </p>
+{% endblock %}

overrides/partials/content.html

@@ -0,0 +1,28 @@
+{#-
+  This file extends MkDocs Material's content partial so every page shows the
+  project repository link immediately under the rendered page title.
+-#}
+{% include "partials/tags.html" %}
+{% include "partials/actions.html" %}
+
+{% set repo_link %}
+  <p class="vizion3d-repo-link">
+    <b>Repository</b>: <a href="https://github.com/OlafenwaMoses/vizion3D" target="_blank" rel="noopener"> https://github.com/OlafenwaMoses/vizion3D
+    </a>
+  </p>
+{% endset %}
+
+{% if "\u003ch1" not in page.content %}
+  <h1>{{ page.title | d(config.site_name, true)}}</h1>
+  {{ repo_link }}
+  {{ page.content }}
+{% else %}
+  {% set content_parts = page.content.split("</h1>", 1) %}
+  {{ content_parts[0] | safe }}</h1>
+  {{ repo_link }}
+  {{ content_parts[1] | safe }}
+{% endif %}
+
+{% include "partials/source-file.html" %}
+{% include "partials/feedback.html" %}
+{% include "partials/comments.html" %}