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

entries/urde.md

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+# urde
+
+_Remake of Metroid Prime._
+
+- Home: https://gitlab.axiodl.com/AxioDL/urde
+- State: beta
+- Download: https://github.com/AxioDL/urde/releases
+- Platform: Windows, macOS
+- Keywords: game engine, commercial content, inspired by Metroid Prime, remake, requires original content
+- Code repository: https://gitlab.axiodl.com/AxioDL/urde.git, https://github.com/AxioDL/urde.git
+- Code language: C, C++
+- Code license: MIT
+
+## Building
+
+- Build system: CMake