[stzn/the-swift-programming-language-jp] Pull request opened: #411 NonSendableの記述を追加

[stzn/the-swift-programming-language-jp] Issue opened: #412 Extensionへのリンクを追加

[stzn/the-swift-programming-language-jp] Pull request opened: #413 back deploy追加

[stzn/the-swift-programming-language-jp] Issue opened: #414 Enumerations letとvarの順番を変える