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

games/duel_commander.md

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+# Duel Commander
+
+_Turn based command line fighting game for Windows and Unix-like systems._
+
+- Home: https://sourceforge.net/projects/duelcommander/
+- State: beta, inactive since 2009
+- Download: https://sourceforge.net/projects/duelcommander/files
+- Keywords: strategy, text-based
+- Code repository: https://gitlab.com/osgames/duelcommander.git (snapshot of source releases)
+- Code language: C
+- Code license: GPL-3.0
+
+## Building
+