Move 'snippet' queries to 'snippets' folders

java/ql/examples/snippets/arrayaccess.ql

@@ -0,0 +1,16 @@
+/**
+ * @name Array access
+ * @description Finds array access expressions with an index expression
+ *              consisting of a unary assignment
+ * @tags array
+ *       access
+ *       index
+ *       unary
+ *       assignment
+ */
+
+import java
+
+from ArrayAccess a
+where a.getIndexExpr() instanceof UnaryAssignExpr
+select a