Function GetMediaTypeByExtension

GetMediaTypeByExtension(fileExtension: string): undefined | IMediaType
Retrieves the first matching media type for a given file extension.
Parameters
- fileExtension: string
  The file extension (e.g., "jpg", "mp4") to look up.
Returns undefined | IMediaType
The first IMediaType associated with the extension, or undefined if none is found.
- Defined in core/MediaType.ts:87