Expression Proposal: `Between` - Checks if given `date-time` is within given `starting date-time` and `ending date-time`

[lakhbawa]

Type of Expression: Date Function
Return Type: Boolean
Case Sensitive: NA

Expression Example:
@between(NOW(), '2024-01-20 20:22:5', '2025-01-20 20:22:5') -> FALSE # When We are in 2023
@between(NOW(), '2022-01-20 20:22:5', '2025-01-20 20:22:5') -> TRUE # When We are in 2023

Common Use Case:
This expression can be used to make the block exits more dynamic by choosing the exit based on the current datetime/given datetime