Add Sphinx extension classifier

jdillard · stephenfin · commit 2ce4c2d9dfbe · 2022-11-21T17:12:54.000Z
diff --git a/setup.cfg b/setup.cfg
@@ -14,6 +14,7 @@ license = MIT License
 classifiers =
     Development Status :: 5 - Production/Stable
     Environment :: Console
+    Framework :: Sphinx :: Extension
     Intended Audience :: Developers
     Intended Audience :: Information Technology
     License :: OSI Approved :: MIT License
