Improve and complete section on "Running and Deploy Taipy"

[jrobinAV]

The new documentation should also include some documentation on running and deploying on databricks.

[jrobinAV]

Here is a draft WIP structure proposal :

-> Run your Taipy application

    1. Prepare your app
        -> The run method
            -> Run a Taipy application              
            -> Run without Rest
            -> Run Gui alone
            -> Run without Gui
                -> Core and Rest
                -> Core alone
        -> Protect private files
        -> Using an external web server 
                         -> Gunicorn
                         -> µ wsgi

    2. Deploy your app
        -> On local machine
            -> Python main.py
            -> Expose your app to the Internet
                             (with Ngrok)

        -> On Taipy Cloud
            -> package
            -> upload
            -> deploy

        -> On Linux server
            -> Ubuntu
            -> RHEL 

        -> On Windows server

        -> Using Docker
            -> For dev
            -> For prod

        -> On Azure  taipy-doc #397

        -> Clever Cloud

                -> On Heroku

        -> On Databricks for development
            -> Expose your app
                             (with SSH tunneling)

[jrobinAV]

@florian-vuillemot @FabienLelaquais I just created this issue. I provided a draft structure for the doc. Please feel free to comment, propose improvements, ... I would also like to spend half an hour to discuss it.

[florian-vuillemot]

LGTM