Revert docs updates: This is more finicky than I anticipated

Moving to a feature branch

This reverts commit 3ecbf6f.
This reverts commit eb8679e.

Author: Brendan Whitfield

.readthedocs.yaml

@@ -3,7 +3,7 @@ repo_url: https://github.com/brendan-w/python-OBD
 repo_name: GitHub
 extra_javascript:
 - assets/extra.js
-nav:
+pages:
 - 'Getting Started': 'index.md'
 - 'OBD Connections': 'Connections.md'
 - 'Command Lookup': 'Command Lookup.md'