fixed typo causing failed authentication

[danjiro]

fixed 'awsId' to the correct 'awsID'

[JuanCrg90]

I have verified the documentation and the following examples in the package

• https://github.com/t3chnoboy/amazon-product-api/blob/master/examples/browseNodeLookup.js#L5
• https://github.com/t3chnoboy/amazon-product-api/blob/master/examples/callback.js#L5
• https://github.com/t3chnoboy/amazon-product-api/blob/master/examples/co.js#L6
• https://github.com/t3chnoboy/amazon-product-api/blob/master/examples/itemLookup.js#L5
• https://github.com/t3chnoboy/amazon-product-api/blob/master/examples/promise.js#L5
• https://github.com/t3chnoboy/amazon-product-api/blob/master/examples/server.js#L11

In all the places we have defined the following piece of code:

var client = amazon.createClient({
  awsTag: process.env.AWS_TAG,
  awsId: process.env.AWS_ID,
  awsSecret: process.env.AWS_SECRET
});

I'm not sure why awsId is considered a Typo.

maybe @t3chnoboy and @masterT could help us :)