docs: Switch to ODSC theme & config

.readthedocs.yaml

@@ -0,0 +1,25 @@
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Set the version of Python and other tools you might need
+build:
+  os: ubuntu-24.04
+  tools:
+    python: "3.9"
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+  configuration: docs/conf.py
+
+# We recommend specifying your dependencies to enable reproducible builds:
+# https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
+python:
+  install:
+    - method: pip
+      path: .
+      extra_requirements:
+        - dev

docs/conf.py

@@ -1,3 +1,5 @@
 project = "JSON Data Ferret"
 
 master_doc = "index"
+
+html_theme = "odsc_default_sphinx_theme"

setup.py

@@ -29,7 +29,15 @@
         "json-merge-patch",
     ],
     extras_require={
-        "dev": ["pip-tools", "black==22.3", "flake8", "isort", "django-environ"]
+        "dev": [
+            "pip-tools",
+            "black==22.3",
+            "flake8",
+            "isort",
+            "django-environ",
+            "sphinx",
+            "odsc-default-sphinx-theme",
+        ]
     },
     python_requires=">=3.9",
 )