refactor: add prettier and git hook on deadlock-theia project

.gitlab-ci.yml

.husky/pre-commit

.prettierignore

.prettierrc.json

CHANGELOG.md

README.md

deadlock-plugins/README.md

deadlock-plugins/deadlock-extension/.eslintrc.js

deadlock-plugins/deadlock-extension/.prettierrc.json

deadlock-plugins/deadlock-extension/.vscode/extensions.json

deadlock-plugins/deadlock-extension/.vscode/launch.json

deadlock-plugins/deadlock-extension/.vscode/settings.json

deadlock-plugins/deadlock-extension/.vscode/tasks.json

...plugins/deadlock-extension/dev/config/user-challenge.json

deadlock-plugins/deadlock-extension/package-lock.json

deadlock-plugins/deadlock-extension/package.json

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

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

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

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