Update README.md

README.md

-bitchange
+Bitchange
 =========
 
-Minetest currency mod
+A currency mod for Minetest.
+
+Read more at the forums topic and 'HELP_ME.txt' for more information.
+Forum link: https://forum.minetest.net/viewtopic.php?id=7821
+License: WTFPL *
+
+
+(*) Everything except the textures of moreores and technic