refactor(client-side): create pinia store for autosave information

stores/autosaveStore.ts

@@ -0,0 +1,13 @@
+import { defineStore } from "pinia";
+
+export interface autoSavePayload {
+	draftId?: number;
+}
+
+export const useAutoSaveStore = defineStore("autosave", {
+	state() {
+		return {
+			draftId: undefined,
+		} as autoSavePayload;
+	},
+});