Added a new generator for creating environment variables and a validator to check the validity of the created variables. Also updated the config file to include these new generators in the list of registered generators.
The changes include refactoring the create-reader in cms keystatic and changing @keystatic/next version. Additionally, code generators for keystatic and package have been added, and corresponding templates have been organized into their respective directories.
Renamed several components related to account settings and updated corresponding data-test selectors for more clarity. Adjusted e2e tests to reflect these changes and added tests for new functionalities, like changing password and deleting account. In addition, generator description in monorepo configuration was simplified. Minor changes were also made to e2e test utilities for better error handling.
