[FEATURE]support earliest/latest date-time functions

[YANG-DB]

Is your feature request related to a problem?
As a PPL query syntax for easily supporting predefined simple time ranges such as:
earliest week, latest day, latest month, earliest hour.

Supporting for the predefined time units:

• second - s
• minute - m
• hour - h
• day - d
• week - w
• month - mnt
• quarter - qrt
• year - yr

What solution would you like?
source = logs | where status > 200 AND (earliest=-24h AND latest<@d)
source = logs | where status > 200 AND (earliest=-5d@w1 AND latest=@w6)
source = logs | where status > 200 AND (earliest='2023-11-15:20:00:00' AND latest='2023-11-22:20:00:00')

[dblock]

[Catch All Triage - 1, 2, 3]