complete missing essential fields (home, state) on entries

games/rpg/mana_world.md

@@ -0,0 +1,15 @@
+# The Mana World
+
+_2D open source MMORPG._
+
+- Home: https://www.themanaworld.org/
+- Download: https://www.themanaworld.org/index.php/Downloads
+- State: mature
+- Keywords: MMO
+- Code repository: https://github.com/themanaworld
+- Code language: PHP
+- Code license: GPL-2.0
+
+See also [ManaPlus](http://manaplus.org/) client.
+
+## Building