Feat: ssh keys lifecycle

deadlock-plugins/deadlock-extension/package.json

...ins/deadlock-extension/resources/js/gettingStartedView.js

...ock-plugins/deadlock-extension/src/core/commandHandler.ts

deadlock-plugins/deadlock-extension/src/core/controller.ts

...ock-plugins/deadlock-extension/src/core/extensionStore.ts

...lock-plugins/deadlock-extension/src/core/sshKeyManager.ts

...ock-plugins/deadlock-extension/src/view/quickSetupView.ts