Public init and proper doc

Sources/PushAPI/AdminRequest.swift

@@ -10,4 +10,14 @@ public struct AdminRequest: Codable {
 
     /// The application id with which the request is associated
     public let application: ApplicationId
+
+    /**
+     Create a new admin request.
+     - Parameter keyHash: The SHA256 hash of the admin key
+     - Parameter application: The application id for the request.
+     */
+    public init(keyHash: Data, application: ApplicationId) {
+        self.keyHash = keyHash
+        self.application = application
+    }
 }

Sources/PushAPI/Push.swift

@@ -30,7 +30,7 @@ public enum Route: String {
      Get a list of unapproved devices for review.
 
      * HTTP Method: `POST`
-     * HTTP Body: The binary SHA256 hash of the master key using the custom salt
+     * HTTP Body: An `AdminRequest` JSON object with the SHA256 hash of the admin key and the application id
      * Response: An array of `DeviceRegistration` elements encoded in JSON. `401` if the master key is incorrect.
      */
     case listUnapprovedDevices = "check"