Add dark theme support to documentation (#47)

* Initial plan

* Add dark theme support to documentation using Furo theme

Co-authored-by: jason810496 <[email protected]>

* Add Furo theme for dark mode support in documentation

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: jason810496 <[email protected]>
Co-authored-by: LIU ZHE YOU <[email protected]>

Author: Copilot

doc/conf.py

@@ -35,7 +35,17 @@
     "sphinx.ext.napoleon",
 ]
 
-html_theme = "sphinx_rtd_theme"
+html_theme = "furo"
+html_theme_options = {
+    "light_css_variables": {
+        "color-brand-primary": "#2980b9",
+        "color-brand-content": "#2980b9",
+    },
+    "dark_css_variables": {
+        "color-brand-primary": "#4c9aff",
+        "color-brand-content": "#4c9aff",
+    },
+}
 project = "pgmq-sqlalchemy"
 copyright = f'2024-{time.strftime("%Y")}, the pgmq-sqlalchemy developers'
 

doc/requirements.txt

@@ -1,5 +1,5 @@
 sphinx
-sphinx-rtd-theme
+furo
 sphinx-copybutton
 SQLAlchemy
 tomli; python_version < "3.11"

pyproject.toml

@@ -69,8 +69,8 @@ test = [
 docs = [
     "sphinx>=7.3.7",
     "sphinx-autobuild>=2024.4.16",
-    "sphinx-rtd-theme>=2.0.0",
     "sphinx-copybutton>=0.5.2",
+    "furo>=2025.12.19",
 ]
 fastapi-pub-sub-example = [
     "fastapi>=0.104.0",