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/utils/game-modes.ts

@@ -1,5 +1,6 @@
 import { BlocksIcon, CompassIcon, EyeIcon, PickaxeIcon, UnknownIcon } from '@modrinth/assets'
-import { defineMessage } from '@vintl/vintl'
+
+import { defineMessage } from '../composables/i18n'
 
 export const GAME_MODES = {
 	survival: {