moved stuff from settings, cleaned up naming for tabs, added close and peek

src/App.scss

src/components/modal/modal.vue

src/components/settings/settings.js

src/components/settings/settings.vue

src/components/settings_modal/settings_modal.js

src/components/settings_modal/settings_modal.scss

src/components/settings_modal/settings_modal.vue

src/components/settings_modal/tabs/data_import_export_tab.js

...components/settings_modal/tabs/data_import_export_tab.vue

src/components/settings_modal/tabs/filtering_tab.js

src/components/settings_modal/tabs/filtering_tab.vue

src/components/settings_modal/tabs/general_tab.js

src/components/settings_modal/tabs/general_tab.vue

...nts/settings_modal/tabs/helpers/shared_computed_object.js

src/components/settings_modal/tabs/mutes_and_blocks_tab.js

src/components/settings_modal/tabs/mutes_and_blocks_tab.vue

src/components/settings_modal/tabs/notifications_tab.js

src/components/settings_modal/tabs/notifications_tab.vue

src/components/settings_modal/tabs/profile_tab.js

src/components/settings_modal/tabs/profile_tab.scss