added link for iter_swap.md

Author: rotarymars

reference/algorithm/iter_swap.md

@@ -57,7 +57,14 @@ int main() {
 }
 ```
 * std::iter_swap[color ff0000]
-
+* std::vector[link /reference/vector/vector.md]
+* v1.begin[link /reference/vector/vector/begin.md]
+* v1.end[link /reference/vector/vector/end.md]
+* v2.begin[link /reference/vector/vector/begin.md]
+* v2.end[link /reference/vector/vector/end.md]
+* std::ostream_iterator[link /reference/iterator/ostream_iterator.md]
+* std::cout[link /reference/iostream/cout.md]
+* std::endl[link /reference/ostream/endl.md]
 ### 出力
 ```
 v1: 3,5,4,