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

entries/head_over_heels.md

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+# Head over Heels
+
+_Remake of Head over Heels._
+
+- Home: https://github.com/dougmencken/HeadOverHeels, http://www.headoverheels2.com/drupal/en/
+- Media: https://en.wikipedia.org/wiki/Head_Over_Heels_(video_game)#Legacy (this could be added)
+- State: mature
+- Download: http://www.headoverheels2.com/drupal/en/node/161
+- Platform: Windows, Linux
+- Keywords: action, adventure, inspired by Head over Heels, remake
+- Code repository: https://github.com/dougmencken/HeadOverHeels.git (continuation, or download for old source code)
+- Code language: C++
+- Code license: GPL-3.0
+- Code dependencies: Allegro
+
+## Building
+
+- Build system: Make