add component update

src/homepage.ts

@@ -8,3 +8,8 @@ export type FullInformation = {
 	tidal_current: TidalGetCurrent | null;
 	grist_personal_goals: GristRecord_PersonalGoals | null;
 };
+
+export type ComponentUpdate = {
+	component: string;
+	update: unknown;
+};