moved the entries up one folder, added the folder to the keywords

games/rocks_and_diamonds.md

@@ -0,0 +1,14 @@
+# Rocks'n'Diamonds 
+
+_Arcade style game for “Boulder Dash” (C 64), “Emerald Mine” (Amiga), “Supaplex” (Amiga/PC), “Sokoban” (PC)_
+
+- Home: http://www.artsoft.org/rocksndiamonds/
+- State: mature
+- Download: http://www.artsoft.org/rocksndiamonds/download/
+- Keywords: action
+- Code repository: http://git.artsoft.org/rocksndiamonds.git
+- Code language: C
+- Code license: GPL-2.0
+
+## Building
+