Adding lints for Jest-based Vue tests
A lot of lints mentioned in [guidelines for frontend maintainers slides](https://docs.google.com/presentation/d/1SZKcwQmvkwNOVu8uKQqqh7Z4k0r-eswENUzGPvkv620/edit?usp=sharing) could potentially be automated. We should use this as an opportunity to increase our code quality and reduce cognitive load during fronted review Automate all the things!
epic