fix(package): add package lock (#1)

Author: nellyk

.gitignore

@@ -1,7 +1,5 @@
 # node & npm
 node_modules
-# private mirror URLs shouldn't be exposed
-package-lock.json
 
 # test
 .jest-cache

README.md

@@ -5,16 +5,15 @@
 > Add the context of a json parse error to the error message with syntax highlighting if possible.
 
 [![npm](https://img.shields.io/npm/v/json-parse-context)](https://www.npmjs.com/package/json-parse-context)
-[![Travis (.org) branch](https://img.shields.io/travis/americanexpress/json-parse-context/main)](https://travis-ci.org/americanexpress/json-parse-context)
+![Main Health Check](https://github.com/americanexpress/json-parse-context/workflows/Main%20Health%20Check/badge.svg)
 
 ## 📖 Table of Contents
 
-* [Features](#Features)
-* [Usage](#Usage)
-* [API](#API)
-* [Available Scripts](#Available%20Scripts)
-* [Git Hooks](#Git%20Hooks)
-* [Contributing](#Contributing)
+* [Features](#-features)
+* [API](#%EF%B8%8F-api)
+* [Available Scripts](#-available-scripts)
+* [Git Hooks](#-git-hooks)
+* [Contributing](#-contributing)
 
 <br />
 
@@ -102,4 +101,4 @@ Any contributions made under this project will be governed by the [Apache Licens
 ## 🗣️ Code of Conduct
 
 This project adheres to the [American Express Community Guidelines](https://github.com/americanexpress/json-parse-context/blob/main/CODE_OF_CONDUCT.md).
-By participating, you are expected to honor these guidelines.
+By participating, you are expected to honor these guidelines.