message: Add emotion eslint plugin
diff: -module.exports = require('@sumup/foundry/eslint').react;
  +module.exports = {
  + extends: ['airbnb', 'plugin:jest/recommended', 'prettier', 'prettier/react'],
  + plugins: ['prettier', 'jest', 'emotion'],
  + rules: {
  + /**
  + * Emotion 10 migration rules (start)
  + */
  + 'emotion/jsx-import': 'error',
  + 'emotion/no-vanilla': 'error',
  + 'emotion/import-from-emotion': 'error',
  + 'emotion/styled-import': 'error',
  + /**
  + * Emotion 10 migration rules (end)
  + */
  + 'react/jsx-filename-extension': [1, { extensions: ['.js', '.jsx'] }],
  + 'no-use-before-define': ['error', { functions: false }],
  + 'no-underscore-dangle': 'off',
  + 'no-param-reassign': 'off',
  + 'max-len': [
  + 'error',
  + {
  + code: 80,
  + tabWidth: 2,
  + ignoreComments: true,
  + ignoreUrls: true
  + }
  + ],
  + 'prettier/prettier': [
  + 'error',
  + {
  + singleQuote: true
  + }
  + ],
  + 'import/prefer-default-export': 0,
  + 'import/no-extraneous-dependencies': [
  + 'error',
  + {
  + devDependencies: [
  + '*.js',
  + 'src/**/*.story.js',
  + 'src/**/*.disabledStory.js',
  + 'src/**/*.spec.js',
  + 'build/**/*.js',
  + 'src/util/withTests.js'
  + ]
  + }
  + ]
  + },
  + globals: {
  + STORYBOOK: true
  + },
  + parser: 'babel-eslint',
  + parserOptions: {
  + allowImportExportEverywhere: true,
  + ecmaFeatures: {
  + ecmaVersion: 2017,
  + impliedStrict: true,
  + jsx: true
  + }
  + },
  + env: {
  + browser: true
  + },
  + settings: {
  + 'import/resolver': {
  + webpack: {
  + config: '.storybook/webpack.config.js'
  + }
  + }
  + },
  + overrides: [
  + {
  + files: ['src/**/*spec.js'],
  + rules: {
  + 'max-len': [
  + 'error',
  + {
  + code: 80,
  + tabWidth: 2,
  + ignorePattern: '^\\s*it\\(',
  + ignoreComments: true,
  + ignoreUrls: true
  + }
  + ]
  + },
  + globals: {
  + mount: true,
  + shallow: true,
  + render: true,
  + create: true,
  + axe: true,
  + renderToHtml: true,
  + describe: true,
  + beforeEach: true,
  + inject: true,
  + it: true,
  + test: true,
  + expect: true,
  + afterEach: true
  + },
  + env: {
  + 'jest/globals': true
  + }
  + }
  + ]
  +};
  