fichiers ajoutés

exam_jest/babel.config.js

exam_jest/jest.config.ts

exam_jest/package-lock.json

exam_jest/package.json

exam_jest/src/metier/donnees.ts

exam_jest/src/metier/entreprise.ts

exam_jest/src/tests/donnees.test.ts

exam_jest/src/tests/entreprise.test.ts

exam_jest/tsconfig.json