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

games/freedoom.md

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+# Freedoom
+
+_Open content for the Doom engine._
+
+- Home: https://freedoom.github.io/
+- Media: https://en.wikipedia.org/wiki/Freedoom
+- State: beta
+- Download: https://freedoom.github.io/download.html
+- Platform: Windows, Linux, macOS (all that are supported by the Doom engine)
+- Keywords: action, engine required
+- Code repository: https://github.com/freedoom/freedoom.git
+- Code language: Python
+- Code license: BSD
+- Code dependencies: Doom engine
+
+## Building
+