Add @typescript-eslint/keyword-spacing rule

https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/keyword-spacing.md

Author: sindresorhus

index.js

@@ -155,6 +155,8 @@ module.exports = {
 				SwitchCase: 1
 			}
 		],
+		'keyword-spacing': 'off',
+		'@typescript-eslint/keyword-spacing': 'error',
 		'@typescript-eslint/member-delimiter-style': [
 			'error',
 			{