Function tryDetermineMimetypeFromURL

tryDetermineMimetypeFromURL(
url: string,
opts: { useExtension: boolean },
): Promise<NeedleMimetype>
Tries to determine the file type of a file from its URL
This method does perform a range request to the server to get the first few bytes of the file
If the file type can not be determined it will return "unknown"
Parameters
- url: string
  The URL of the file
- opts: { useExtension: boolean }
Returns Promise<NeedleMimetype>
Example
```
const url = "https://example.com/model.glb";
const fileType = await tryDetermineFileTypeFromURL(url);
console.log(fileType); 
```