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>

packages/ui/src/components/billing/ServersRegionButton.vue

@@ -2,11 +2,10 @@
 import type { Archon } from '@modrinth/api-client'
 import { SignalIcon, SpinnerIcon } from '@modrinth/assets'
 import { getPingLevel } from '@modrinth/utils'
-import { useVIntl } from '@vintl/vintl'
 import { computed } from 'vue'
 
+import { useVIntl } from '../../composables/i18n'
 import { regionOverrides } from '../../utils/regions'
-
 const { formatMessage } = useVIntl()
 
 const currentRegion = defineModel<string | undefined>({ required: true })