Function tryDetermineFileTypeFromURL

tryDetermineFileTypeFromURL(url, useExtension?): Promise<FileType>
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
- useExtension: boolean = true
  If true the file type will be determined by the file extension first - if the file extension is not known it will then check the header
Returns Promise<FileType>
Example
```
const url = "https://example.com/model.glb";
const fileType = await tryDetermineFileTypeFromURL(url);
console.log(fileType); 
```