Add @typescript-eslint/keyword-spacing

Fixes #145.

Author: lydell

@typescript-eslint.js

@@ -8,6 +8,7 @@ module.exports = {
     "@typescript-eslint/comma-spacing": "off",
     "@typescript-eslint/func-call-spacing": "off",
     "@typescript-eslint/indent": "off",
+    "@typescript-eslint/keyword-spacing": "off",
     "@typescript-eslint/member-delimiter-style": "off",
     "@typescript-eslint/no-extra-parens": "off",
     "@typescript-eslint/no-extra-semi": "off",