Link http://gcmd.gsfc.nasa.gov appears to be dead in README

[NorthDecoder]

In file README.md

On line 43 the link http://gcmd.gsfc.nasa.gov appears to be dead.
Web archive show the last update on 29-March 2022 redirecting to https://web.archive.org/web/20220329102926/https://idn.ceos.org/ where the site https://idn.ceos.org/ does appear to be functional.

A DuckDuckGo search for the link returns top four:

• https://gcmd.earthdata.nasa.gov/KeywordViewer/
• https://science.gsfc.nasa.gov/earth/gcdc/
• https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
• https://gcmd.earthdata.nasa.gov/static/kms/

[mortenwh]

The link should be replaced by https://gcmd.earthdata.nasa.gov

@akorosov Is this repo still maintained?