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

entries/spacezero.md

@@ -0,0 +1,15 @@
+# SpaceZero
+
+_Real Time Strategy 2D space combat game for two players over a network._
+
+- Home: http://spacezero.sourceforge.net/, https://sourceforge.net/projects/spacezero/
+- State: beta
+- Download: http://spacezero.sourceforge.net/index.html#download, https://sourceforge.net/projects/spacezero/files/
+- Platform: Linux
+- Keywords: strategy, real time, space
+- Code repository: https://svn.code.sf.net/p/spacezero/code/ (svn)
+- Code language: C
+- Code license: GPL-3.0
+
+## Building
+