Add Google Analytics 4 tracking to Sphinx documentation

- Added sphinxcontrib.googleanalytics extension to docs configuration
- Configured GA4 tracking with ID G-Q1K210DS5W
- Updated Sphinx to v8.2.3 for Python 3.13 compatibility
- Updated sphinx-rtd-theme to v3.0.2
- Added sphinxcontrib-googleanalytics v0.5 to dev dependencies in setup.cfg
- Verified tracking code is present in all generated HTML pages

Related to NASA-PDS/software-issues-repo#139

Author: jordanpadams

docs/source/conf.py

@@ -37,6 +37,8 @@
     'sphinx.ext.viewcode',
     'sphinx.ext.githubpages',
     'sphinx.ext.autosummary',
+    'sphinx_rtd_theme',
+    'sphinxcontrib.googleanalytics',
 ]
 
 # List of patterns, relative to source directory, that match files and
@@ -84,3 +86,7 @@
     'includehidden': True,
     'titles_only': False
 }
+
+# Google Analytics 4 (GA4) tracking
+googleanalytics_id = "G-Q1K210DS5W"
+googleanalytics_enabled = True

setup.cfg

@@ -72,6 +72,7 @@ dev =
     pre-commit~=3.3.3
     sphinx~=8.2.3
     sphinx-rtd-theme~=3.0.2
+    sphinxcontrib-googleanalytics~=0.5
     tox~=4.11.0
     types-setuptools~=68.1.0.0