reference.md in ufo-4.6.0

- old
+ new

@@ -10,9 +10,10 @@
 * [ufo current]({% link _reference/ufo-current.md %})
 * [ufo deploy]({% link _reference/ufo-deploy.md %})
 * [ufo destroy]({% link _reference/ufo-destroy.md %})
 * [ufo docker]({% link _reference/ufo-docker.md %})
 * [ufo init]({% link _reference/ufo-init.md %})
+* [ufo logs]({% link _reference/ufo-logs.md %})
 * [ufo network]({% link _reference/ufo-network.md %})
 * [ufo ps]({% link _reference/ufo-ps.md %})
 * [ufo releases]({% link _reference/ufo-releases.md %})
 * [ufo resources]({% link _reference/ufo-resources.md %})
 * [ufo rollback]({% link _reference/ufo-rollback.md %})