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/pages/instance/Worlds.vue

@@ -125,6 +125,7 @@ import { PlusIcon, SearchIcon, SpinnerIcon, UpdatedIcon, XIcon } from '@modrinth
 import {
 	Button,
 	ButtonStyled,
+	defineMessages,
 	FilterBar,
 	type FilterBarOption,
 	GAME_MODES,
@@ -133,7 +134,6 @@ import {
 	RadialHeader,
 } from '@modrinth/ui'
 import type { Version } from '@modrinth/utils'
-import { defineMessages } from '@vintl/vintl'
 import { computed, onUnmounted, ref, watch } from 'vue'
 import { useRoute } from 'vue-router'