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/project/ProjectSidebarCompatibility.vue

@@ -87,10 +87,15 @@
 import { ClientIcon, MonitorSmartphoneIcon, ServerIcon, UserIcon } from '@modrinth/assets'
 import type { EnvironmentV3, GameVersionTag, PlatformTag, ProjectV3Partial } from '@modrinth/utils'
 import { formatCategory, getVersionsToDisplay } from '@modrinth/utils'
-import { defineMessage, defineMessages, type MessageDescriptor, useVIntl } from '@vintl/vintl'
 import { type Component, computed } from 'vue'
 import { useRouter } from 'vue-router'
 
+import {
+	defineMessage,
+	defineMessages,
+	type MessageDescriptor,
+	useVIntl,
+} from '../../composables/i18n'
 import TagItem from '../base/TagItem.vue'
 
 const { formatMessage } = useVIntl()