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

games/allegro.md

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+# Allegro
+
+_Cross-platform library mainly aimed at video game and multimedia programming._
+
+- Home: http://liballeg.org/
+- Media: https://en.wikipedia.org/wiki/Allegro_(software)
+- State: mature
+- Download: http://liballeg.org/download.html
+- Keywords: framework
+- Code repository: https://github.com/liballeg/allegro5.git
+- Code language: C
+- Code license: zlib
+
+## Building
+
+- Build system: CMake
+