parially turn off rule for unassigned imports (CSS, polyfills)

Author: stekycz

src/import.js

@@ -58,7 +58,9 @@ module.exports = {
 		'import/no-relative-parent-imports': 'off',
 		'import/no-restricted-paths': 'off',
 		'import/no-self-import': 'error',
-		'import/no-unassigned-import': 'error',
+		'import/no-unassigned-import': ['error', {
+			allow: ['**/*.css', '*polyfill*'],
+		}],
 		'import/no-unresolved': 'error',
 		'import/no-unused-modules': 'error',
 		'import/no-useless-path-segments': ['error', {