feat(schedules): add optional description field to schedule form and display

- Updated the schedule form schema to include an optional 'description' field.
- Enhanced the form to allow users to input a description for each schedule.
- Modified the schedule display component to show the description if available.
- Added a database migration to include the 'description' column in the schedule table.

packages/server/src/db/schema/schedule.ts

@@ -24,6 +24,7 @@ export const schedules = pgTable("schedule", {
 		.primaryKey()
 		.$defaultFn(() => nanoid()),
 	name: text("name").notNull(),
+	description: text("description"),
 	cronExpression: text("cronExpression").notNull(),
 	appName: text("appName")
 		.notNull()