devex: migrate to vue-i18n (#4966)

* sample languages refactor

* feat: consistency + dedupe impl of i18n

* fix: broken imports

* fix: intl formatted component

* fix: use relative imports

* fix: imports

* fix: comment out incomplete locales + fix imports

* feat: cleanup

* fix: ui imports

* fix: lint

* fix: admonition import

* make footer a component, fix language reactivity

* make copyright notice untranslatable

---------

Co-authored-by: Calum H. <contact@cal.engineer>

apps/app-frontend/src/components/ui/modal/AppSettingsModal.vue

@@ -9,10 +9,9 @@ import {
 	SettingsIcon,
 	ShieldIcon,
 } from '@modrinth/assets'
-import { ProgressBar, TabbedModal } from '@modrinth/ui'
+import { defineMessage, defineMessages, ProgressBar, TabbedModal, useVIntl } from '@modrinth/ui'
 import { getVersion } from '@tauri-apps/api/app'
 import { platform as getOsPlatform, version as getOsVersion } from '@tauri-apps/plugin-os'
-import { defineMessage, defineMessages, useVIntl } from '@vintl/vintl'
 import { computed, ref, watch } from 'vue'
 
 import ModalWrapper from '@/components/ui/modal/ModalWrapper.vue'