Bump Lighter version

Also add a 5.9 Package.swift, might be necessary?

Author: helje5

Package.swift

@@ -12,7 +12,7 @@ var package = Package(
 
   dependencies: [
     .package(url: "https://github.com/Lighter-swift/Lighter.git",
-             from: "1.0.24"),
+             from: "1.0.28"),
     .package(url: "https://github.com/apple/swift-docc-plugin", from: "1.0.0")
   ],
 

Package@swift-5.7.swift

@@ -12,7 +12,7 @@ var package = Package(
 
   dependencies: [
     .package(url: "https://github.com/Lighter-swift/Lighter.git",
-             from: "1.0.24"),
+             from: "1.0.28"),
     .package(url: "https://github.com/apple/swift-docc-plugin", from: "1.0.0")
   ],
 

Package@swift-5.9.swift

@@ -0,0 +1,26 @@
+// swift-tools-version:5.9
+
+import PackageDescription
+
+var package = Package(
+  name: "Northwind",
+
+  platforms: [ .macOS(.v10_15), .iOS(.v13) ],
+  products: [
+    .library(name: "Northwind", targets: [ "Northwind" ])
+  ],
+  
+  dependencies: [
+    .package(url: "https://github.com/Lighter-swift/Lighter.git",
+             from: "1.0.28"),
+    .package(url: "https://github.com/apple/swift-docc-plugin", from: "1.0.0")
+  ],
+  
+  targets: [
+    .target(name         : "Northwind",
+            dependencies : [ "Lighter" ],
+            path         : "dist",
+            resources    : [ .copy("northwind.db") ],
+            plugins      : [ .plugin(name: "Enlighter", package: "Lighter") ])
+  ]
+)