improve chat

src/app/utils/ToBase64.ts

@@ -70,6 +70,7 @@ export function createDataURL(base64String: string, mimeType: string): string {
  * Converts a `Blob` to a Data URL.
  * @param {Blob} blob - The `Blob` to be converted.
  * @returns {Promise<string>} A promise that resolves with the Data URL representation of the `Blob`.
+ * @example const result = 'data:audio/aac;base64,ZGF0YTphdWRpby9hYWM7YmFzZTY0…RnNRQmxmL0FGQUl'
  */
 export function convertBlobToDataURL(blob: Blob): Promise<string> {
   return new Promise<string>((resolve, reject) => {