Integration with storefront API for Private APP

• Implement feature to connect private app with storefront API with storefront access token
• Integrated storefront api call for graphQL

Fixed http guzzle exception for API

1.0.6

Handle Shopify api exception

Change Guzzle Api Exception

1.0.5

changes in http request expection

Changes related to api version

1.0.3

changes in private and public auth call

Get access scopes for Shopify Public and Custom APP

New changes to get access scopes via api

Changes in REST API

Update issue template

Added template how to create bug report for Shopify PHP API SDK

Implement api for public app

Added code to authenticate public app and get access token for API call.