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/ModalBasedServerPlan.vue

@@ -2,10 +2,10 @@
 import type { Labrinth } from '@modrinth/api-client'
 import { InfoIcon } from '@modrinth/assets'
 import { formatPrice } from '@modrinth/utils'
-import { type MessageDescriptor, useVIntl } from '@vintl/vintl'
 import { Menu } from 'floating-vue'
 import { computed, inject, type Ref } from 'vue'
 
+import { type MessageDescriptor, useVIntl } from '../../composables/i18n'
 import { getPriceForInterval, monthsInInterval } from '../../utils/product-utils'
 import type { ServerBillingInterval } from './ModrinthServersPurchaseModal.vue'
 import ServersSpecs from './ServersSpecs.vue'