message: docs(compress-stringify): Add documentation link
diff: Zstandard compression and decompression and base64 encoding and decoding in WebAssembly.
  -[**Example**](https://itk-compress-stringify-app.on.fleek.co/ ':include :type=iframe width=100% height=800px')
  +[**<p align="center">Example</p>**](https://itk-compress-stringify-app.on.fleek.co/ ':include :type=iframe width=100% height=800px')
  +
  +[**<p align="center">Documentation</p>**](https://itk-compress-stringify-docs.on.fleek.co/)
  ## Installation
  