Nominate Yacov Manevich as a maintainer

Yacov has been a key contributor to the gossip
package and has spent time providing quality
reviews of other key areas such as peer,
ordering and security.

He'll be a great addition to the maintainers
group.

Change-Id: Ia74465b13d094b03c8e05809c3f8e998f58fb951
Signed-off-by: Gari Singh <gari.r.singh@gmail.com>

docs/MAINTAINERS.md

@@ -14,3 +14,4 @@
 | Srinivasan Muralidharan | muralisrini | muralisr | muralisr@us.ibm.com
 | Gari Singh | mastersingh24 | mastersingh24 | gari.r.singh@gmail.com
 | Jason Yellick | jyellick | jyellick | jyellick@us.ibm.com
+| Yacov Manevich | yacovm | yacovm | yacovm@il.ibm.com