v1.3.0

What's new:

1. New Notebook: 05-SQLDB_QA.ipynb - Explains how it is possible to query a SQL database with natural language using Azure OpenAI GPT models.
2. Added SQL Server and Database to azuredeploy.json
3. Change the CSV File for Notebook 04 and app to a better more official file.
4. Improve explanations in notebooks overall