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

entries/zlib.md

@@ -0,0 +1,16 @@
+# zlib
+
+_zlib is a software library used for data compression._
+
+- Home: http://zlib.net/
+- Media: https://en.wikipedia.org/wiki/Zlib
+- State: mature
+- Keywords: library
+- Code repository: https://github.com/madler/zlib.git
+- Code language: C
+- Code license: zlib
+
+## Building
+
+- Build system: CMake
+