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

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Co-authored-by: Calum H. <contact@cal.engineer>

apps/app-frontend/package.json

@@ -28,7 +28,8 @@
 		"@tauri-apps/plugin-updater": "^2.7.1",
 		"@tauri-apps/plugin-window-state": "^2.2.2",
 		"@types/three": "^0.172.0",
-		"@vintl/vintl": "^4.4.1",
+		"intl-messageformat": "^10.7.7",
+		"vue-i18n": "^9.14.0",
 		"@vueuse/core": "^11.1.0",
 		"dayjs": "^1.11.10",
 		"floating-vue": "^5.2.2",