Add basic configuration extension (#962)

Author: dayaffe

Sources/ClientRuntime/Networking/Http/NIO/NIOHTTPClientConfiguration+HTTPClientConfiguration.swift

@@ -0,0 +1,40 @@
+//
+// Copyright Amazon.com Inc. or its affiliates.
+// All Rights Reserved.
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+import AsyncHTTPClient
+import NIOCore
+
+extension HTTPClient.Configuration {
+
+    static func from(httpClientConfiguration: HttpClientConfiguration) -> HTTPClient.Configuration {
+        let connect: TimeAmount? = httpClientConfiguration.connectTimeout != nil
+            ? .seconds(Int64(httpClientConfiguration.connectTimeout!))
+            : nil
+
+        let read: TimeAmount? = .seconds(Int64(httpClientConfiguration.socketTimeout))
+
+        let timeout = HTTPClient.Configuration.Timeout(
+            connect: connect,
+            read: read
+        )
+
+        let pool = HTTPClient.Configuration.ConnectionPool(
+            idleTimeout: .seconds(60), // default
+            concurrentHTTP1ConnectionsPerHostSoftLimit: httpClientConfiguration.maxConnections
+        )
+
+        return .init(
+            tlsConfiguration: nil, // TODO
+            redirectConfiguration: nil,
+            timeout: timeout,
+            connectionPool: pool,
+            proxy: nil,
+            ignoreUncleanSSLShutdown: false,
+            decompression: .disabled
+        )
+    }
+}