[gnome-mahjongg] Convert the README to markdown

[Alberto Ruiz <aruiz src gnome org>]

commit 9a4a4ea4e135a8697a3b842cc57d8ceb047c10c5
Author: Roger <sachanroger gmail com>
Date:   Thu Oct 10 11:15:28 2019 +0000

    Convert the README to markdown

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 README.md | 25 +++++++++++++++++++++++++
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+# GNOME Mahjongg
+
+Mahjongg is a solitaire (one player) version of the classic Eastern tile
+game, Mahjongg. The objective is to select pairs of similar tiles.
+
+Mahjongg's origins are not fully known, but many theories have been put forth.
+One such theory says that Noah played Mahjongg on the ark because the East hand
+is dominant, presumably the direction the rains came, in the flood. Another
+theory says that the Chinese philosopher, Confucius, made the game.
+
+
+## Useful links
+
+- Homepage: <https://wiki.gnome.org/Apps/Mahjongg>
+- User manual: <https://help.gnome.org/users/gnome-mahjongg/stable/>
+- Report issues: <https://gitlab.gnome.org/GNOME/gnome-mahjongg/issues/>
+- Donate: <https://www.gnome.org/friends/>
+- Translate: <https://wiki.gnome.org/TranslationProject>
+
+## Resources
+
+- The Mahjongg Map Tool makes it easy to generate new layouts for GNOME Mahjongg.
+  - <https://github.com/logicplace/mggmap>
+- Sources for the Smooth tile set are available on GitHub:
+  - <https://github.com/jimevins/smooth-tileset>