Documentation Updated

Signed-off-by: Aayush Subramaniam <aayushsubramaniam@gmail.com>

docs/resources/stateful_set_v1.md

@@ -33,6 +33,7 @@ resource "kubernetes_stateful_set_v1" "prometheus" {
   }
 
   spec {
+    min_ready_seconds = 10
     pod_management_policy  = "Parallel"
     replicas               = 1
     revision_history_limit = 5
@@ -260,6 +261,8 @@ The following arguments are supported:
 
 * `persistent_volume_claim_retention_policy` - (Optional) The object controls if and how PVCs are deleted during the lifecycle of a StatefulSet.
 
+* `min_ready_seconds` - (Optional) - This is an optional field that specifies the minimum number of seconds for which a newly created Pod should be running and ready without any of its containers crashing, for it to be considered available. This field defaults to 0 (the Pod will be considered available as soon as it is ready).
+
 ## Nested Blocks
 
 ### `spec.template`