feat: port label store to pinia | pinia 1/9 (#2391)

Co-authored-by: Dominik Pschenitschni <mail@celement.de>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/2391
Reviewed-by: konrad <k@knt.li>
Co-authored-by: Dominik Pschenitschni <dpschen@noreply.kolaente.de>
Co-committed-by: Dominik Pschenitschni <dpschen@noreply.kolaente.de>

src/main.ts

@@ -2,6 +2,7 @@ import {createApp} from 'vue'
 
 import App from './App.vue'
 import router from './router'
+import { createPinia } from 'pinia'
 
 import {error, success} from './message'
 
@@ -104,6 +105,9 @@ if (window.SENTRY_ENABLED) {
 	import('./sentry').then(sentry => sentry.default(app, router))
 }
 
+const pinia = createPinia()
+app.use(pinia)
+
 app.use(store, key) // pass the injection key
 app.use(router)
 app.use(i18n)