1. npm install
2. Edit replace.js to modify the JSON data to be replaced
3. npm run main - runs replace.js to replace JSON data & format.js to format JSON data

A JSON string belonging to a JSON file is read in and parsed as an Object. This Object then replaces the contents of a JSON file with formatting.

{
  "key": "value","test": "data",
  "hello": 
  "world"
} 
or
{
  "key": "This is a new value",
  "test": "data",
  
  "hello": "world",
  "parent": {
    "child": 1,
    "child2": 22}
}

{
  "key": "value",
  "test": "data",
  "hello": "world"
}
and 
{
  "key": "This is a new value",
  "test": "data",
  "hello": "world",
  "parent": {
    "child": 1,
    "child2": 22
  }
}

• Check if JSON key exists in file before overwriting
• Swap sync functions with async
• Replace multiple JSON key values at different levels
• Error handling (currently assumes all inputs are available)