updated readme

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 # Procedural Generated Dungeon
 
+A simple dungeon crawler map layout generator written in C using raylib for graphics
+
+## references
+[Procedural Dungeon Generation Algorithm](https://www.gamasutra.com/blogs/AAdonaac/20150903/252889/Procedural_Dungeon_Generation_Algorithm.php)
+[Prim’s Minimum Spanning Tree](https://www.geeksforgeeks.org/prims-minimum-spanning-tree-mst-greedy-algo-5/)
 
-https://www.gamasutra.com/blogs/AAdonaac/20150903/252889/Procedural_Dungeon_Generation_Algorithm.php
-https://www.geeksforgeeks.org/prims-minimum-spanning-tree-mst-greedy-algo-5/
-https://www.geeksforgeeks.org/kruskals-minimum-spanning-tree-algorithm-greedy-algo-2/