Formatted the boilerplated code in the app as well as the unit and UI tests targets.

App/Sources/Views/ContentView.swift

@@ -1,9 +1,13 @@
-import SwiftUI
 import SwiftData
+import SwiftUI
 
 struct ContentView: View {
-    @Environment(\.modelContext) private var modelContext
-    @Query private var items: [Item]
+
+    @Environment(\.modelContext)
+    private var modelContext
+
+    @Query
+    private var items: [Item]
 
     var body: some View {
         NavigationSplitView {
@@ -17,15 +21,15 @@ struct ContentView: View {
                 }
                 .onDelete(perform: deleteItems)
             }
-#if os(macOS)
+            #if os(macOS)
             .navigationSplitViewColumnWidth(min: 180, ideal: 200)
-#endif
+            #endif
             .toolbar {
-#if os(iOS)
+                #if os(iOS)
                 ToolbarItem(placement: .navigationBarTrailing) {
                     EditButton()
                 }
-#endif
+                #endif
                 ToolbarItem {
                     Button(action: addItem) {
                         Label("Add Item", systemImage: "plus")