Fix: null reference error

What's Changed

• Fix: nullreference error by @mkmarek in #12

Full Changelog: v3.0.0...v3.0.1

Add support as Github action

Appsync-resource can be also used as Github action as described in the main README

Fix: remove logs going to stdout

v1.1.1

Fix: don't pollute stdout with logs (#10)

Support for pipeline resolvers

Adds the possibility to create pipeline resolvers

Improve resource logs

Logging (#8)

* Add more logging

Clean code documentation

v1.0.1

Doc: remove unnecessary code comments (#7)

AppSync client refactoring

Refactor/appsync client (#5)

* Refactor: AppSync client

v0.0.2: Wait for schema creation (#3)

Wait for schema creation.

v0.0.1

Update README.md