Rename package, update dependencies

Package.swift

@@ -3,22 +3,22 @@
 import PackageDescription
 
 let package = Package(
-    name: "PushAPI",
+    name: "PushMessageDefinitions",
     platforms: [
        .macOS(.v10_15),
        .iOS(.v13)
     ],
     products: [
         .library(
-            name: "PushAPI",
-            targets: ["PushAPI"]),
+            name: "PushMessageDefinitions",
+            targets: ["PushMessageDefinitions"]),
     ],
     dependencies: [
-        .package(url: "https://github.com/kylebrowning/APNSwift.git", "3.0.0" ..< "5.0.0"),
+        .package(url: "https://github.com/swift-server-community/APNSwift.git", from: "3.0.0"),
     ],
     targets: [
         .target(
-            name: "PushAPI",
+            name: "PushMessageDefinitions",
             dependencies: [.product(name: "APNSwift", package: "APNSwift")])
     ]
 )

README.md

@@ -9,11 +9,11 @@ The package depends on [APNSwift](https://github.com/swift-server-community/APNS
 Add the package dependency in your `Package.swift` file:
 ```swift
 dependencies: [
-    .package(url: "https://christophhagen.de/git/ch/Push-API.git", from: "0.4.0"),
+    .package(url: "https://christophhagen.de/git/ch/Push-Definitions.git", from: "1.0.0"),
 ],
 ```
 
 Then import the module in your code:
 ```swift
-import PushAPI
+import PushMessageDefinitions
 ```