Joey Fallone

Add Mashable Extractor

1

### Before submitting a *pull request* make sure you have: - [x] At least skimmed through [contributing guidelines](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#developer-instructions) including [yt-dlp coding conventions](https://github.com/yt-dlp/yt-dlp/blob/master/CONTRIBUTING.md#yt-dlp-coding-conventions) - [x] [Searched](https://github.com/yt-dlp/yt-dlp/search?q=is%3Apr&type=Issues) the bugtracker for similar pull...

Docs should note default resolution downscaling in decodeSingle

2

Using the decodeSingle example from the docs: ``` Quagga.decodeSingle({ decoder: { readers: ["code_128_reader"] // List of active readers }, locate: true, // try to locate the barcode in the image...