Add DPG: Jellow AAC Communicator (10798)

[dpgabot]

Public Link : https://app.digitalpublicgoods.net/a/10798

[ricardomiron]

This project depends on Google TTS (evidence link) and the use of Google Firebase services is also present (evidence link).

The previous review highlights some of the dependencies https://github.com/DPGAlliance/publicgoods-candidates/pull/962#issuecomment-1194058312

[ricardomiron]

Detailed instructions for utilizing the Jellow Communicator app with the Hear2Speech text-to-speech engine were provided: https://github.com/jellow-aac/jellow-communicator-android/blob/hear-2-read-compatibility/support/ReadMe.md

Including a reference to the Proof of Concept (POC) app.: https://github.com/jellow-aac/jellow-communicator-android/tree/hear-2-read-compatibility https://github.com/jellow-aac/jellow-communicator-android/blob/47734829330c7eaee90b157f7cac6ac233e6e7be/app/src/main/java/com/dsource/idc/jellowintl/activities/SpeechEngineBaseActivity.java#L174