implemented notification component and logic

src/stores/notifications.ts

@@ -0,0 +1,20 @@
+import { defineStore, acceptHMRUpdate } from 'pinia'
+
+export const useNotifications = defineStore('notifications', {
+    state: () => {
+        return {
+            /**@type {{type: string, text: string}[]} */
+            notifications: new Array<{type: string, text: string}>()
+        }
+    },
+
+    actions: {
+        removeAlert(index : number) : void {
+            this.notifications.splice(index, 1)
+        }
+    }
+})
+
+if(import.meta.hot) {
+    import.meta.hot.accept(acceptHMRUpdate(useNotifications, import.meta.hot))
+}