test(lint): add eslint-plugin-jest

.eslintrc.js

package-lock.json

package.json

src/admin/admin.controller.spec.ts

src/contact/contact.controller.spec.ts

src/newsletter/newsletter.service.spec.ts

src/parameters/parameters.controller.spec.ts

src/parameters/parameters.service.spec.ts

src/structures/services/structures-import.service.spec.ts

src/structures/services/structures.service.spec.ts

src/structures/structures.controller.spec.ts

src/users/controllers/employer.controller.spec.ts

src/users/controllers/users.controller.spec.ts

src/users/guards/isPersonalOfferOwner.guard.spec.ts

src/users/guards/isStructureOwner.guard.spec.ts

src/users/guards/roles.guard.spec.ts

src/users/services/employer.service.spec.ts

src/users/services/jobs.service.spec.ts

src/users/services/userRegistry-search.service.spec.ts

src/users/services/users.service.spec.ts