[DOCS] Cat nodes api: document recently added http column

Author: javanna

docs/reference/cat/nodes.asciidoc

@@ -85,6 +85,7 @@ k0zy 192.168.56.10 9300 {version} m
 |`pid` |`p` |No |Process ID |13061
 |`ip` |`i` |Yes |IP address |127.0.1.1
 |`port` |`po` |No |Bound transport port |9300
+|`http_address` |`http`| No | bound http address | 127.0.0.1:9200
 |`version` |`v` |No |Elasticsearch version |{version}
 |`build` |`b` |No |Elasticsearch Build hash |5c03844
 |`jdk` |`j` |No |Running Java version |1.8.0