There are various ways to get support for EXT:paste_reference!
Please use https://stackoverflow.com to get best support. Tags you should use are typo3 and tx-paste-reference, so your question will be visible at https://stackoverflow.com/questions/tagged/tx-paste-reference.
You can use Slack to get support from other people and help about your questions!
The url is: https://typo3.slack.com/
If you are not yet registered, use https://forger.typo3.com/slack for that!
If you need a feature which is not yet implemented, feel free to contact me anytime!
You can find my contact data on https://ephra.im/kontakt.
If you need private or personal support, ask one of the developers for it.
Be aware that this support might not be free!