refactor for better error reporting on sql error (#1016)

* refactor for better error reporting on sql error

* fix errors

* add docs

zrpc/internal/resolver/kube/deploy/clusterrolebinding.yaml

@@ -0,0 +1,12 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: endpoints-reader
+subjects:
+  - kind: ServiceAccount
+    name: endpoints-reader
+    namespace: kevin # the namespace that the ServiceAccount resides in
+roleRef:
+  kind: ClusterRole
+  name: endpoints-reader
+  apiGroup: rbac.authorization.k8s.io