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

games/zero_k.md

@@ -0,0 +1,15 @@
+# Zero-K
+
+_A free multi-platform open source real-time strategy video game._
+
+- Home: http://zero-k.info/
+- Media: https://en.wikipedia.org/wiki/Zero-K
+- State: mature
+- Download: http://zero-k.info/Wiki/Download
+- Keywords: strategy, RTS, popular
+- Code repository: https://github.com/ZeroK-RTS/Zero-K.git
+- Code language: Lua
+- Code license: GPL-2.0
+
+## Building
+