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

entries/planetary_hoppers.md

@@ -0,0 +1,14 @@
+# Planetary Hoppers
+
+_Multiplayer space strategy game._
+
+- Home: https://sourceforge.net/projects/planets/, http://planets.sourceforge.net/
+- State: beta, inactive since 2003
+- Download: https://sourceforge.net/projects/planets/files
+- Keywords: strategy
+- Code repository: https://gitlab.com/osgames/planets.git (backup of cvs), http://planets.cvs.sourceforge.net/ (cvs)
+- Code language: Java
+- Code license: GPL-2.0
+
+## Building
+