Introduce BridgeJS, a declarative JS interop system

Author: kateinoigakukun

.gitignore

@@ -10,3 +10,4 @@ xcuserdata/
 Examples/*/Bundle
 Examples/*/package-lock.json
 Package.resolved
+Plugins/BridgeJS/Sources/JavaScript/package-lock.json

Examples/ExportSwift/Package.swift

@@ -0,0 +1,25 @@
+// swift-tools-version:6.0
+
+import PackageDescription
+
+let package = Package(
+    name: "MyApp",
+    platforms: [
+        .macOS(.v14)
+    ],
+    dependencies: [.package(name: "JavaScriptKit", path: "../../")],
+    targets: [
+        .executableTarget(
+            name: "MyApp",
+            dependencies: [
+                "JavaScriptKit"
+            ],
+            swiftSettings: [
+                .enableExperimentalFeature("Extern")
+            ],
+            plugins: [
+                .plugin(name: "BridgeJS", package: "JavaScriptKit")
+            ]
+        )
+    ]
+)