message: json-rpc: Add format-text script
diff: "lint": "eslint --max-warnings 0 \"**/*.{js,ts}\"",
  "lint-fix": "eslint --max-warnings 0 \"**/*.{js,ts}\" --fix",
  "format": "prettier --write --loglevel warn \"./src/**/*.ts\"",
  + "format-text": "prettier --write --prose-wrap always --print-width 80 \"./*.md\"",
  "test-node": "node jasmine-testrunner.js",
  "test-edge": "yarn pack-web && karma start --single-run --browsers Edge",
  "test-firefox": "yarn pack-web && karma start --single-run --browsers Firefox",
  