feat(settings): add launch at login toggle

Author: kdcokenny

OpenDictation/Views/SettingsView.swift

@@ -1,6 +1,7 @@
 import SwiftUI
 import KeyboardShortcuts
 import Sparkle
+import LaunchAtLogin
 
 /// Main settings view for Open Dictation.
 /// Provides configuration for shortcut, transcription mode, language, and API settings.
@@ -59,6 +60,11 @@ struct SettingsView: View {
                 KeyboardShortcuts.Recorder("Keyboard Shortcut", name: .toggleDictation)
             }
 
+            // MARK: General Settings Section
+            Section {
+                LaunchAtLogin.Toggle("Launch at Login")
+            }
+            
             // MARK: Transcription Mode Section
             Section {
                 Picker("Mode", selection: Binding(