feat: port tasks store to pinia

src/main.ts

@@ -1,8 +1,8 @@
 import {createApp} from 'vue'
 
-import App from './App.vue'
+import pinia from './pinia'
 import router from './router'
-import { createPinia } from 'pinia'
+import App from './App.vue'
 
 import {error, success} from './message'
 
@@ -105,7 +105,6 @@ 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