Add ZOO_CFG_EXTRA environment variable to Zookeeper

library/zookeeper

@@ -3,15 +3,15 @@ GitRepo: https://github.com/31z4/zookeeper-docker.git
 
 Tags: 3.4.14, 3.4
 Architectures: amd64
-GitCommit: 1ed5af662e6749021687fbf2a9b445b1adf2fb46
+GitCommit: 95e63be6a0767ed462db2e5aa779047672cc3b35
 Directory: 3.4.14
 
 Tags: 3.5.8, 3.5
 Architectures: amd64
-GitCommit: b1586a5b1284904d17c2dfa95e88fb1a8d7a769d
+GitCommit: 95e63be6a0767ed462db2e5aa779047672cc3b35
 Directory: 3.5.8
 
 Tags: 3.6.1, 3.6, latest
 Architectures: amd64
-GitCommit: c0039669a527a56b19ceb30a6523ed206fbf245d
+GitCommit: 95e63be6a0767ed462db2e5aa779047672cc3b35
 Directory: 3.6.1