docs: Updates public function documentation

Author: NeedleInAJayStack

Sources/GraphQLTransportWS/Client.swift

@@ -17,6 +17,10 @@ public actor Client<InitPayload: Equatable & Codable> {
     ///
     /// - Parameters:
     ///   - messenger: The messenger to bind the client to.
+    ///   - onConnectionAck: The callback run on receipt of a `connection_ack` message
+    ///   - onNext: The callback run on receipt of a `next` message
+    ///   - onError: The callback run on receipt of an `error` message
+    ///   - onComplete: The callback run on receipt of a `complete` message
     public init(
         messenger: Messenger,
         onConnectionAck: @escaping (ConnectionAckResponse, Client) async throws -> Void = { _, _ in },

Sources/GraphQLTransportWS/Messenger.swift

@@ -1,6 +1,6 @@
 import Foundation
 
-/// Protocol for an object that can send messages. This allows mocking in tests.
+/// Protocol for an object that can send messages.
 public protocol Messenger: Sendable {
     /// Send a message through this messenger
     /// - Parameter message: The message to send

Sources/GraphQLTransportWS/Server.swift

@@ -32,7 +32,6 @@ public actor Server<
     ///   - messenger: The messenger to bind the server to.
     ///   - onExecute: Callback run during `start` resolution for non-streaming queries. Typically this is `API.execute`.
     ///   - onSubscribe: Callback run during `start` resolution for streaming queries. Typically this is `API.subscribe`.
-    ///   - onMessage: Optional callback run on every message event
     ///   - onOperationComplete: Optional callback run when an operation completes
     ///   - onOperationError: Optional callback run when an operation errors
     public init(