Create AWX docsite with RST content (#14328)

Co-authored-by: Thanhnguyet Vo <tvo@ansible.com>
Co-authored-by: TVo <thavo@redhat.com>

docs/docsite/rst/userguide/index.rst

@@ -0,0 +1,44 @@
+.. _ug_start:
+
+==========
+User Guide
+==========
+
+User Guide
+
+.. toctree::
+   :maxdepth: 2
+   :numbered:
+
+   self
+   overview
+   logging_in
+   main_menu
+   search_sort
+   organizations
+   users
+   teams
+   credentials
+   credential_types
+   credential_plugins
+   applications_auth
+   execution_environments
+   ee_reference
+   projects
+   project-sign
+   inventories
+   inventory_plugins_templates
+   job_templates
+   job_slices
+   workflows
+   workflow_templates
+   instance_groups
+   jobs
+   webhooks
+   notifications
+   notification_parameters_supported
+   scheduling
+   insights
+   best_practices
+   security
+   glossary