fix: Move home icon inline as first header button and restore GitHub link

Override article-header-buttons template to include the landing page
link inside the flex container as the first icon. Add repository_url
and use_repository_button to restore the GitHub source link.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: jxi24

docs/_templates/article-header-buttons.html

@@ -0,0 +1,18 @@
+{% from "../macros/buttons.html" import render_funcs with context %}
+
+<div class="article-header-buttons">
+{#- Landing page link (first) #}
+{% include "landing-link.html" %}
+
+{%- for button in header_buttons -%}
+{% set btype = button.get("type") %}
+{% set bopts = button.copy() %}
+{% set _ = bopts.pop("type") %}
+{{ render_funcs[btype](**bopts) }}
+{%- endfor -%}
+
+{#- Extra theme buttons #}
+{% include "theme-switcher.html" %}
+{% include "search-button.html" %}
+{% include "toggle-secondary-sidebar.html" %}
+</div>

docs/conf.py

@@ -46,8 +46,9 @@
         "image_dark": '../assets/logo.svg',
         "link": "https://achillesgen.github.io/Achilles/",
     },
+    "repository_url": "https://github.com/AchillesGen/Achilles",
+    "use_repository_button": True,
     "article_header_end": [
-        "landing-link.html",
         "article-header-buttons.html",
     ],
 }