moved the entries up one folder, added the folder to the keywords

games/mana_source.md

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+# Mana
+
+_Complete 2D MMORPG platform._
+
+- Home: http://www.manasource.org/
+- State: beta
+- Download: http://www.manasource.org/downloads.html
+- Keywords: framework, MMO
+- Code repository: https://github.com/mana/manaserv.git (https://github.com/mana), https://github.com/tales/tales-client.git (+)
+- Code language: C++
+- Code license: GPL-2.0
+
+## Building
+
+- Build system: CMake