improve user management and add sidebar for admins on the survey pages

compendium-frontend/src/App.tsx

compendium-frontend/src/Providers.tsx

compendium-frontend/src/components/sidebar/SideBar.tsx

compendium-frontend/src/helpers/useConfig.tsx

compendium-frontend/src/providers/ConfigProvider.tsx

compendium-frontend/src/providers/UserProvider.tsx

compendium-frontend/src/scss/layout/Sidebar.scss

compendium-frontend/src/survey/Landing.tsx

compendium-frontend/src/survey/UserManagementComponent.tsx

...ntend/src/survey/management/SurveyManagementComponent.tsx

compendium-frontend/src/survey/management/SurveySidebar.tsx

...rontend/src/survey/management/UserManagementComponent.tsx

compendium_v2/db/auth_model.py

compendium_v2/routes/user.py

compendium_v2/static/bundle.css

compendium_v2/static/bundle.js

compendium_v2/static/bundle.js.LICENSE.txt