feat: integrated authentication view in Deadlock panel

deadlock-plugins/deadlock-extension/package.json

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

...eadlock-extension/resources/styles/authenticationView.css

...eadlock-extension/resources/styles/gettingStartedView.css

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

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

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

...plugins/deadlock-extension/src/view/authenticationView.ts

deadlock-plugins/deadlock-extension/src/view/briefingView.ts

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

...lugins/deadlock-extension/src/view/startedMissionsView.ts

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

deadlock-plugins/deadlock-extension/src/view/webViewBase.ts