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

entries/procedural_map_generator.md

@@ -0,0 +1,13 @@
+# Procedural Map Generator
+
+_Procedural map generator for roguelike games._
+
+- Home: https://underww.itch.io/procedural-map-generator
+- State: mature, inactive since 2018
+- Platform: Windows
+- Keywords: tool, open content
+- Code repository: https://github.com/marukrap/ProceduralMapGenerator.git
+- Code language: C++
+- Code license: MIT
+
+## Building