Add or update the Azure App Service build and deployment workflow config

Add or update the Azure App Service build and deployment workflow config

Update README.md

added requirements.txt

updated code with Flask

Update codebook.py

Update codebook.py

Update codebook.py

Update codebook.py

Update codebook.py

Update codebook.py

Create codebook.py

Create index.html

Delete requirements.txt

Delete codebooker.ipynb