Initial commit: TopManager macOS system monitor

A native SwiftUI app for monitoring macOS system resources:
- Processes tab with sorting, filtering, and process control
- Apps tab for running applications
- Performance tab with CPU, memory, and network charts
- Power & Storage tab with system info, GPU, storage, and network

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,40 @@
+# Xcode
+.DS_Store
+*/build/*
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata/
+*.xccheckout
+*.moved-aside
+DerivedData/
+*.hmap
+*.ipa
+*.xcuserstate
+*.xcscmblueprint
+
+# Swift Package Manager
+.build/
+Packages/
+Package.resolved
+*.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/
+
+# CocoaPods
+Pods/
+
+# Carthage
+Carthage/Build/
+
+# fastlane
+fastlane/report.xml
+fastlane/Preview.html
+fastlane/screenshots/**/*.png
+fastlane/test_output
+
+# Code Injection
+iOSInjectionProject/