Add no-useless-computed-key rule

[matejchalk]

User story

The no-useless-computed-key ESLint rule should get rid of unnecessarily "dynamic-looking" object properties.

Acceptance criteria

• Add no-useless-computed-key as a warning to base config.

Current usage

const files = {
  ['README.md']: '# Hello, world'
}

Desired usage showcase

const files = {
  'README.md': '# Hello, world'
}

Which configuration is this related to?

default

ESLint version

No response