Add stored procedures/persited/hash queries

[pkarw]

Is your feature request related to a problem? If yes, please describe the problem.

Related to #583

In order to prevent the users from modifying the queries on the fly, we could implement a feature like Persistent queries where the query is stored on the server and called just by its hash (+ dynamic parameters)

The query storing phase could take place when the app is built and tested in the dev mode by the AskScript SDK based on the ENV passed secret key.

[pkarw]

Related: #586