Update repo in package.json

package.json

@@ -1,7 +1,7 @@
 {
   "name": "nuklear",
   "version": "4.01.5",
-  "repo": "vurtun/nuklear",
+  "repo": "Immediate-Mode-UI/Nuklear",
   "description": "A small ANSI C gui toolkit",
   "keywords": ["gl", "ui", "toolkit"],
   "src": ["nuklear.h"]