Add Valkey Cluster Client (#67)

* Add Cluster Client

* Fix docs

* Don't run cluster tests in CI

* Fix warning from previous commit

* doc updates

* disable cluster tests in CI

* PR review

* Cluster CI?

* hupps

* Command doesn’t need a flag

* new command syntax

* new try

* Remove valkey github action ci test

Author: fabianfett

Package.swift

@@ -94,6 +94,13 @@ let package = Package(
             ],
             swiftSettings: defaultSwiftSettings
         ),
+        .testTarget(
+            name: "ClusterIntegrationTests",
+            dependencies: [
+                "Valkey"
+            ],
+            swiftSettings: defaultSwiftSettings
+        ),
         .testTarget(
             name: "ValkeyTests",
             dependencies: [