Add a new flag to generate formulas input flags commands

[GuillaumeFalourd]

What would you like to be added

• A way to generate formulas input flags commands.

Suggestions

Context: rit demo formula is a formula's command with one input input-text

• Printing an output with the prompt equivalent with input flags
  e.g rit demo formula --input-text="test" when running the rit demo formula command with one input

• Create a new flag that would return the formula command with an input-flag example
  e.g rit demo formula --generate-flags would return rit demo formula --input-text="test"

Why is this needed

• We received feedbacks asking for a way to make it easier to create / write / get formulas input flags commands.

• Check this box if this issue needs a documentation update