few updates in datastore (kubernetes-sigs#713)

* few updates in datastore

Signed-off-by: Nir Rozenbaum <nirro@il.ibm.com>

* PoolSet documentation

Signed-off-by: Nir Rozenbaum <nirro@il.ibm.com>

* error phrasing

Signed-off-by: Nir Rozenbaum <nirro@il.ibm.com>

* removed unused pool arg from PodUpdateOrAddIfNotExist

Signed-off-by: Nir Rozenbaum <nirro@il.ibm.com>

* linter

Signed-off-by: Nir Rozenbaum <nirro@il.ibm.com>

---------

Signed-off-by: Nir Rozenbaum <nirro@il.ibm.com>

Author: nirrozenbaum

pkg/epp/controller/pod_reconciler.go

@@ -28,7 +28,10 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/client"
 	"sigs.k8s.io/controller-runtime/pkg/event"
 	"sigs.k8s.io/controller-runtime/pkg/log"
+<<<<<<< HEAD
 	"sigs.k8s.io/controller-runtime/pkg/predicate"
+=======
+>>>>>>> 7792676 (few updates in datastore (#713))
 	"sigs.k8s.io/gateway-api-inference-extension/pkg/epp/datastore"
 	logutil "sigs.k8s.io/gateway-api-inference-extension/pkg/epp/util/logging"
 	podutil "sigs.k8s.io/gateway-api-inference-extension/pkg/epp/util/pod"