[#779] adm: Support deploying policy contract

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

cmd/frostfs-adm/internal/modules/morph/initialize_deploy.go

@@ -42,6 +42,7 @@ const (
 	containerContract  = "container"
 	frostfsIDContract  = "frostfsid"
 	netmapContract     = "netmap"
+	policyContract     = "policy"
 	proxyContract      = "proxy"
 )
 
@@ -51,6 +52,7 @@ var (
 		containerContract,
 		frostfsIDContract,
 		netmapContract,
+		policyContract,
 		proxyContract,
 	}
 
@@ -568,7 +570,7 @@ func (c *initializeContext) getContractDeployData(ctrName string, keysParam []an
 			c.Contracts[containerContract].Hash,
 			keysParam,
 			configParam)
-	case proxyContract:
+	case proxyContract, policyContract:
 		items = nil
 	default:
 		panic(fmt.Sprintf("invalid contract name: %s", ctrName))