Add LSP support

build-system/XcodeParse/Package.swift

@@ -0,0 +1,22 @@
+// 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: "XcodeParse",
+    platforms: [.macOS(.v11)],
+    dependencies: [
+        .package(url: "https://github.com/tuist/XcodeProj.git", exact: "9.0.0"),
+        .package(url: "https://github.com/apple/swift-argument-parser.git", exact: "1.5.0"),
+    ],
+    targets: [
+        .executableTarget(
+            name: "XcodeParse",
+            dependencies: [
+                "XcodeProj",
+                .product(name: "ArgumentParser", package: "swift-argument-parser")
+            ]
+        ),
+    ]
+)