Refactor iOS project structure and update dependencies

[damiant]

• Removed unnecessary Pods and related configurations from Xcode project.
• Deleted Podfile and Podfile.lock to clean up CocoaPods integration.
• Updated Capacitor and related community plugins to their latest versions.
• Introduced Swift Package Manager (SPM) support with a new Package.swift file.
• Added a new CapApp-SPM directory to manage SPM dependencies.
• Updated Info.plist to include a new CAPACITOR_DEBUG key.
• Created a debug.xcconfig file to define CAPACITOR_DEBUG variable.
• Cleaned up Xcode workspace files to streamline project management.