Refactor desktop navbar into a component, change layout to grid for

src/App.js

src/App.scss

src/App.vue

src/boot/after_store.js

src/components/desktop_nav/desktop_nav.js

src/components/desktop_nav/desktop_nav.scss

src/components/desktop_nav/desktop_nav.vue

src/components/mobile_nav/mobile_nav.vue

src/components/search_bar/search_bar.vue

src/modules/instance.js

static/config.json