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

games/ultrastar_deluxe.md

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+# UltraStar Deluxe
+
+_Karaoke game._
+
+- Home: https://usdx.eu/, https://sourceforge.net/projects/ultrastardx/
+- State: mature
+- Download: https://usdx.eu/downloads/
+- Platform: Windows, Linux, macOS
+- Keywords: misc, karaoke, music
+- Code repository: https://github.com/UltraStar-Deluxe/USDX.git, https://github.com/UltraStar-Deluxe/legacy-sourceforge-svn-mirror.git (+), https://svn.code.sf.net/p/ultrastardx/svn/trunk (svn)
+- Code language: Pascal
+- Code license: GPL-2.0
+- Code dependencies: SDL2, Lua
+
+## Building
+
+- Build system: Lazarus project
+- Build instructions: https://github.com/UltraStar-Deluxe/USDX/blob/master/README.md#5-build-and-run
+