Replace Sphinx with MkDocs

...le/workflows/super_pop_switch/import_super_pop_switch.rst

docs/source/module/workflows/super_pop_switch/index.rst

docs/source/module/workflows/switch/activate_switch.rst

...source/module/workflows/switch/create_imported_switch.rst

docs/source/module/workflows/switch/create_switch.rst

docs/source/module/workflows/switch/import_switch.rst

docs/source/module/workflows/switch/index.rst

docs/source/module/workflows/switch/terminate_switch.rst

docs/source/module/workflows/switch/validate_switch.rst

docs/source/module/workflows/tasks/clean_old_tasks.rst

docs/source/module/workflows/tasks/create_partners.rst

docs/source/module/workflows/tasks/delete_partners.rst

docs/source/module/workflows/tasks/index.rst

docs/source/module/workflows/tasks/modify_partners.rst

...ource/module/workflows/tasks/send_email_notifications.rst

...source/module/workflows/tasks/validate_geant_products.rst

docs/source/modules.rst

docs/source/quickstart.rst

docs/source/static/custom.css

docs/source/static/custom.js