Rename index.md to readme.md

Author: 2767mr

index.md readme.mdindex.md renamed to readme.md

@@ -7,4 +7,4 @@
 * [Making a mod](./makingAMod.md)
 * [Editing JSON](./editingJSON)
 * [Making a JavaScript mod](./javascriptMod.md)
-* [Share your mod](./publishMod.md)
+* [Share your mod](./publishMod.md)