Update readme.md

readme.md

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 # Awards
 
-by Andrew "Rubenwardy" Ward, LGPL 2.1 or later.
+by [rubenwardy](https://rubenwardy.com), with lots of awesome contributions
+from Wuzzy, kaeza, MrIbby, and Traxie21.
 
 This mod adds achievements to Minetest.