Function fileUrlToBase64

fileUrlToBase64(url: string): Promise<{ base64: string; mimeType: string }>
Converts a file from a URL to base64 format
Parameters
- url: string
  The URL of the file to convert
Returns Promise<{ base64: string; mimeType: string }>
Promise that resolves to the base64 string and the mime type of the file
Example
```
const { base64 } = await fileUrlToBase64('https://example.com/document.pdf');
console.log(base64);
```
- Defined in src/common/utils/url-to-base64.ts:19