doc: canaille logo adapts to the luminosity

doc/conf.py

@@ -66,10 +66,12 @@ issues_commit_uri = "https://gitlab.com/yaal/canaille/-/commit/{commit}"
 # -- Options for HTML output ----------------------------------------------
 
 html_theme = "shibuya"
-html_static_path = []
+html_static_path = ["_static"]
 html_baseurl = "https://canaille.readthedocs.io/"
 html_theme_options = {
     "accent_color": "yellow",
+    "light_logo": "_static/canaille-label-black.webp",
+    "dark_logo": "_static/canaille-label-white.webp",
     "gitlab_url": "https://gitlab.com/yaal/canaille",
     "mastodon_url": "https://toot.aquilenet.fr/@yaal",
     "nav_links": [
@@ -85,7 +87,6 @@ html_theme_options = {
 # -- Options for HTMLHelp output ------------------------------------------
 
 htmlhelp_basename = "canailledoc"
-html_logo = "_static/logo.webp"
 
 
 # -- Options for LaTeX output ---------------------------------------------

doc/index.rst

@@ -1,5 +1,12 @@
-Canaille
-========
+.. figure:: _static/canaille-full-black.webp
+  :width: 400
+  :figclass: light-only
+  :align: center
+
+.. figure:: _static/canaille-full-white.webp
+  :width: 400
+  :figclass: dark-only
+  :align: center
 
 **Canaille** is a French word meaning *rascal*. It is roughly pronounced **Can I?**,
 as in *Can I access your data?* Canaille is a lightweight identity and authorization management software.