chore: Helper script for major releases

Author: oliversalzburg

package.json

@@ -24,6 +24,7 @@
     "lint:prettier": "prettier --check .",
     "lint:tsc": "tsc --noEmit",
     "npm:publish": "npm publish",
+    "npm:publish:major": "npm version major && npm publish",
     "npm:publish:minor": "npm version minor && npm publish",
     "npm:publish:patch": "npm version patch && npm publish",
     "test": "tsc && node $(yarn bin mocha) output/*.test.js",