Add DebugSwift via SwiftPM

[bgoncal]

Summary

• Add DebugSwift as a Swift Package dependency pinned through Package.resolved at 1.15.0
• Link the DebugSwift product to the App target
• Initialize DebugSwift during app launch for Debug builds only

[Copilot]

Pull request overview

This PR adds the DebugSwift debug tooling library to the iOS app and wires it into AppDelegate so it initializes on launch in Debug builds.

Changes:

• Added DebugSwift as an Xcode SwiftPM dependency and linked its product to the App target.
• Added #if DEBUG initialization code in AppDelegate to set up and show DebugSwift on launch.
• Updated Package.resolved to include DebugSwift 1.15.0.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 4 comments.

File	Description
Sources/App/AppDelegate.swift	Imports DebugSwift in Debug builds and initializes/displays it during app launch.
HomeAssistant.xcworkspace/xcshareddata/swiftpm/Package.resolved	Adds the DebugSwift pin (1.15.0) to SwiftPM resolution.
HomeAssistant.xcodeproj/project.pbxproj	Adds the SwiftPM package reference and links the DebugSwift product to the App target.