Initial commit: uskey - macOS keyboard remapper

Features:
- Menu bar GUI with enable/disable toggle
- JSON-based configuration system
- File-based logging with debug support
- CGEventTap-based key remapping
- Custom app icon support
- DMG installer packaging

Core Components:
- AppDelegate: Application lifecycle and initialization
- EventTapManager: Event tap creation and management with proper pointer lifetime
- KeyMapper: Key mapping logic and configuration loading
- StatusBarController: Menu bar UI and user interactions
- Logger: File and console logging with configurable levels
- Config: JSON configuration parser with default creation

Build System:
- build-app.sh: Creates macOS .app bundle with icon
- build-dmg.sh: Generates distributable DMG installer
- create-icon.sh: Converts PNG to .icns format

Documentation:
- README.md: User guide and troubleshooting
- BUILD.md: Build instructions and packaging
- DEBUG.md: Debugging guide with log access

🤖 Generated with [Qoder](https://qoder.com)

Package.swift

@@ -0,0 +1,23 @@
+// swift-tools-version: 6.0
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "uskey",
+    platforms: [
+        .macOS(.v13)
+    ],
+    products: [
+        .executable(name: "uskey", targets: ["uskey"])
+    ],
+    targets: [
+        .executableTarget(
+            name: "uskey",
+            swiftSettings: [
+                .unsafeFlags(["-Xfrontend", "-disable-availability-checking"]),
+                .unsafeFlags(["-Xfrontend", "-warn-concurrency"]),
+                .unsafeFlags(["-Xfrontend", "-enable-actor-data-race-checks"])
+            ]),
+    ]
+)