added keywords (originals, type) from osgameclones, changed readme categories not as list anymore

games/micropolisjs.md

@@ -4,7 +4,7 @@ _A port of Micropolis to JS/HTML5._
 
 - Home: http://www.graememcc.co.uk/micropolisJS/
 - State: mature
-- Keywords: simulation
+- Keywords: simulation, clone, inspired by Simcity
 - Code repository: https://github.com/graememcc/micropolisJS.git
 - Code language: JavaScript
 - Code license: GPL-3.0