/cluster: add / update OWNERS

Author: neolit123

Diff for: cluster/OWNERS

@@ -18,6 +18,3 @@ emeritus_approvers:
   - roberthbailey   # 2019-03-08
   - jbeda
   - zmerlynn
-labels:
-- sig/cluster-lifecycle
-- area/release-eng

Diff for: cluster/addons/OWNERS

@@ -0,0 +1,5 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+labels:
+- sig/cloud-provider
+- area/provider/gcp

Diff for: cluster/gce/OWNERS

@@ -24,3 +24,6 @@ approvers:
   - sig-scalability-approvers
 emeritus_approvers:
   - jszczepkowski
+labels:
+- sig/cloud-provider
+- area/provider/gcp

Diff for: cluster/images/OWNERS

@@ -0,0 +1,4 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+labels:
+- area/release-eng

Diff for: cluster/images/conformance/OWNERS

@@ -19,4 +19,5 @@ approvers:
   - bentheelder
 labels:
 - sig/release
+- sig/testing
 - area/conformance

Diff for: cluster/images/etcd-empty-dir-cleanup/OWNERS

@@ -0,0 +1,4 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+labels:
+- sig/api-machinery

Diff for: cluster/images/etcd-version-monitor/OWNERS

@@ -0,0 +1,4 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+labels:
+- sig/api-machinery

Diff for: cluster/images/kubemark/OWNERS

@@ -8,3 +8,5 @@ approvers:
   - gmarek
   - shyamjvs
   - wojtek-t
+labels:
+- sig/scalability

Diff for: cluster/kubemark/OWNERS

@@ -10,3 +10,5 @@ approvers:
   - shyamjvs
   - sig-scalability-approvers
   - wojtek-t
+labels:
+- sig/scalability

Diff for: cluster/log-dump/OWNERS

@@ -4,3 +4,6 @@ reviewers:
   - sig-scalability-reviewers
 approvers:
   - sig-scalability-approvers
+labels:
+- sig/scalability
+- sig/testing

Diff for: cluster/pre-existing/OWNERS

@@ -0,0 +1,4 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+labels:
+- sig/scalability

Diff for: cluster/skeleton/OWNERS

@@ -0,0 +1,4 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+labels:
+- sig/testing