skip eviction when replica count is below evictor minReplicas threshold setting

Signed-off-by: Amir Alavi <amiralavi7@gmail.com>

README.md

@@ -142,6 +142,7 @@ The Default Evictor Plugin is used by default for filtering pods before processi
 |`labelSelector`|`metav1.LabelSelector`||(see [label filtering](#label-filtering))|
 |`priorityThreshold`|`priorityThreshold`||(see [priority filtering](#priority-filtering))|
 |`nodeFit`|`bool`|`false`|(see [node fit filtering](#node-fit-filtering))|
+|`minReplicas`|`uint`|`0`| ignore eviction of pods where owner (e.g. `ReplicaSet`) replicas is below this threshold |
 
 ### Example policy
 
@@ -166,6 +167,7 @@ profiles:
         evictFailedBarePods: true
         evictLocalStoragePods: true
         nodeFit: true
+        minReplicas: 2
     plugins:
       # DefaultEvictor is enabled for both `filter` and `preEvictionFilter`
       # filter: