Updated the target and test target definitions in the Package file.

Package.swift

@@ -1,26 +1,42 @@
-// swift-tools-version: 6.2
-// The swift-tools-version declares the minimum version of Swift required to build this package.
+// swift-tools-version: 6.0
 
 import PackageDescription
 
 let package = Package(
-    name: "hummingbird-docc-middleware",
+    name: DocCMiddleware.package,
+    platforms: [
+        .iOS(.v17),
+        .macCatalyst(.v17),
+        .macOS(.v14),
+        .tvOS(.v17),
+        .visionOS(.v1)
+    ],
     products: [
-        // Products define the executables and libraries a package produces, making them visible to other packages.
         .library(
-            name: "hummingbird-docc-middleware",
-            targets: ["hummingbird-docc-middleware"]
+            name: DocCMiddleware.package,
+            targets: [DocCMiddleware.target]
         ),
     ],
     targets: [
-        // Targets are the basic building blocks of a package, defining a module or a test suite.
-        // Targets can depend on other targets in this package and products from dependencies.
         .target(
-            name: "hummingbird-docc-middleware"
+            name: DocCMiddleware.target,
+            path: "Sources/DocCMiddleware",
+            swiftSettings: [.enableExperimentalFeature("StrictConcurrency=complete")]
         ),
         .testTarget(
-            name: "hummingbird-docc-middlewareTests",
-            dependencies: ["hummingbird-docc-middleware"]
+            name: DocCMiddleware.test,
+            dependencies: [
+                .byName(name: DocCMiddleware.target)
+            ],
+            path: "Tests/DocCMiddleware"
         ),
     ]
 )
+
+// MARK: - Constants
+
+enum DocCMiddleware {
+    static let package = "hummingbird-docc-middleware"
+    static let target = "DocCMiddleware"
+    static let test = "\(DocCMiddleware.target)Tests"
+}