Update project settings so that we can compile under xcode previews

Multiplatform/Shared/SceneModel.swift

@@ -7,9 +7,20 @@
 //
 
 import Foundation
+import Account
 
 final class SceneModel: ObservableObject {
 	
 	var sidebarModel: SidebarModel?
 	
 }
+
+// MARK: SidebarModelDelegate
+
+extension SceneModel: SidebarModelDelegate {
+	
+	func sidebarSelectionDidChange(_: SidebarModel, feeds: [Feed]?) {
+		print("**** sidebar selection changed ***")
+	}
+	
+}

Multiplatform/Shared/SceneNavigationView.swift

@@ -34,6 +34,6 @@ struct SceneNavigationView: View {
 
 struct NavigationView_Previews: PreviewProvider {
     static var previews: some View {
-        SceneNavigationView()
+		SceneNavigationView()
     }
 }

Multiplatform/Shared/Sidebar/SidebarModel.swift

@@ -7,7 +7,14 @@
 //
 
 import Foundation
+import Account
+
+protocol SidebarModelDelegate: class {
+	func sidebarSelectionDidChange(_: SidebarModel, feeds: [Feed]?)
+}
 
 class SidebarModel: ObservableObject {
 	
+	weak var delegate: SidebarModelDelegate?
+	
 }

Multiplatform/Shared/Sidebar/SidebarView.swift

@@ -9,9 +9,29 @@
 import SwiftUI
 
 struct SidebarView: View {
+	
+	@EnvironmentObject private var sceneModel: SceneModel
+	@StateObject private var sidebarModel = SidebarModel()
+	
     var body: some View {
-        Text("Sidebar View")
-    }
+        Text("Sidebar")
+			.onAppear {
+				sceneModel.sidebarModel = sidebarModel
+				sidebarModel.delegate = sceneModel
+			}
+
+//		List {
+//			ForEach(canvases) { canvas in
+//				Section(header: Text(canvas.name)) {
+//					OutlineGroup(canvas.graphics, children: \.children)
+//					{ graphic in
+//						GraphicRow(graphic)
+//					}
+//				}
+//			}
+//		}
+		
+	}
 }
 
 struct SidebarView_Previews: PreviewProvider {