Add missing package to discovery

setup.py

@@ -31,7 +31,7 @@ setup(
         'License :: OSI Approved :: GNU General Public License v3 (GPLv3)',
         'Programming Language :: Python :: 3',
     ],
-    packages=['toot', 'toot.tui', 'toot.tui.richtext', 'toot.utils'],
+    packages=['toot', 'toot.cli', 'toot.tui', 'toot.tui.richtext', 'toot.utils'],
     python_requires=">=3.7",
     install_requires=[
         "click~=8.1",