Profile menu redesign

front/scripts/fix-fomantic-css.py

front/src/App.vue

front/src/components/Sidebar.vue

front/src/components/audio/podcast/Modal.vue

front/src/components/audio/track/Modal.vue

front/src/components/auth/Settings.vue

front/src/components/common/UserMenu.vue

front/src/components/common/UserModal.vue

front/src/components/semantic/Modal.vue

front/src/router/index.js

front/src/style/_main.scss

front/src/style/components/_sidebar.scss

front/src/style/components/_user_modal.scss