Switch to gRPC client in Swift app

Apple/UI/Networks/Network.swift

@@ -0,0 +1,36 @@
+import Atomics
+import BurrowCore
+import SwiftProtobuf
+import SwiftUI
+
+protocol Network {
+    associatedtype NetworkType: Message
+    associatedtype Label: View
+
+    static var type: Burrow_NetworkType { get }
+
+    var id: Int32 { get }
+    var backgroundColor: Color { get }
+
+    @MainActor var label: Label { get }
+}
+
+@Observable
+@MainActor
+final class NetworkViewModel: Sendable {
+    private(set) var networks: [Burrow_Network] = []
+
+    private var task: Task<Void, Error>!
+
+    init(socketURL: URL) {
+        task = Task { [weak self] in
+            let client = NetworksClient.unix(socketURL: socketURL)
+            for try await networks in client.networkList(.init()) {
+                guard let viewModel = self else { continue }
+                Task { @MainActor in
+                    viewModel.networks = networks.network
+                }
+            }
+        }
+    }
+}