Add menu to frontend

.gitignore

package-lock.json

package.json

public/css/app.css

public/js/app.js

public/mix-manifest.json

resources/images/logo_madis_2020_favicon.png

resources/js/app.js

resources/js/components/App.vue

resources/js/components/Menu/Side.vue

resources/js/routes/index.js

resources/js/stores/user.js

resources/sass/_variables.scss

resources/sass/app.scss

resources/views/layouts/page_with_header.blade.php

webpack.mix.js