v0.6.0

Adds PHP 8.0 support

• Thanks @aboks

Description and DeprecationReason support

This release includes two minor changes:

• Add support for description and deprecationReason for mutationWithClientId
• Rename Array::getOffsetWidthDefault to ArrayConnection::getOffsetWithDefault

Thanks @Tpt

Bugfix release

• Fixes error for nullable clientMutationId
• Unit test added

Nullable clientMutationId

• clientMutationId is now of type String instead of String! as it is not required any more in modern-relay
• Removed deprecated field type definitions

TypeResolver optional

• $typeResolver parameter for nodeDefinition is now optional, as already documented
• Fixed deprecation of type as closure webonyx/graphql-php#35

Thanks @mgrenier

Functionality added to create types separately

This release adds functionality to create edge and connection types individually: #5