Userparamlimits (#4056)

* Added upper and lower limits to room names

* Added validations for user name length, email length, password length and presence of language. Also added validations for the same parameters on the front end

* Eslint changes to SignUpFormHelper.jsx

* formatting changes for readability

* Chained validations for name and email. password validation was removed due to issues with rspec validating it

* Rubocop changes

Co-authored-by: Ahmad Farhat <ahmad.af.farhat@gmail.com>