renamed games folder to entries folder (also contained frameworks, libraries, ...) and added to the backlog

entries/odamex.md

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+# Odamex
+
+_Remake of Doom, Doom II, Heretic, Hexen._
+
+- Home: https://odamex.net/
+- State: beta
+- Keywords: game engine, inspired by Doom + Doom II + Heretic + Hexen, remake, requires original content, shooter
+- Code repository: https://github.com/odamex/odamex.git
+- Code language: C, C++
+- Code license: GPL-2.0
+
+## Building
+
+- Build system: CMake