Add Enable Dynamic Audio option to schedule blocks

src/lib/schedule-utils.ts

@@ -17,6 +17,8 @@ export type BlockInput = {
 	startMinutes: number;
 	endMinutes: number;
 	proclamationIds: string[];
+	/** When true the kiosk enables dynamic audio for the block's duration. */
+	dynamicAudio?: boolean;
 };
 
 export type ValidationResult = { ok: true } | { ok: false; error: string };