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/base/MarkdownEditor.vue

@@ -292,11 +292,11 @@ import {
 	XIcon,
 	YouTubeIcon,
 } from '@modrinth/assets'
-import NewModal from '@modrinth/ui/src/components/modal/NewModal.vue'
 import { markdownCommands, modrinthMarkdownEditorKeymap } from '@modrinth/utils/codemirror'
 import { renderHighlightedString } from '@modrinth/utils/highlightjs'
 import { type Component, computed, onBeforeUnmount, onMounted, ref, toRef, watch } from 'vue'
 
+import NewModal from '../modal/NewModal.vue'
 import Button from './Button.vue'
 import Chips from './Chips.vue'
 import FileInput from './FileInput.vue'