Add syntact_cat dataset

[SuperKogito]

• Add syntact_cat dataset
• Dataset: https://zenodo.org/record/6573016#.Yqxpv9JBxpj

[SuperKogito]

"SyntAct": {
    "Year": 2022,
    "Content": "SyntAct",
    "Emotions": " a synthesized database of three basic emotions and neutral expression based on rule-based manipulation for a diphone synthesizer which we release to the public",
    "Format": "Audio",
    "Size": "941 MB",
    "Language": "German",
    "Paper": "SyntAct: A Synthesized Database of Basic Emotions",
    "Access": "Open",
    "License": "CC BY-SA 4.0",
    "Dataset-link": "https://zenodo.org/record/6573016#.ZAjy_9LMJpj",
    "Paper-link": "http://felix.syntheticspeech.de/publications/synthetic_database.pdf",
    "License-link": "https://creativecommons.org/licenses/by/4.0"
}