Can you please consider to add on countries Qatar, Oman and Sri Lanka?

[P-Rainbow]

Is your feature request related to a problem? Please describe.
No.

Describe the solution you'd like
Can you please consider to add on countries Qatar, Oman and Sri Lanka?

import holidays

country_holidays = holidays.LK(years=2024)
august_holidays = {date: name for date, name in country_holidays.items() if date.month == 8}

for d, name in august_holidays.items():
    print (d, name)

# AttributeError: module 'holidays' has no attribute 'LK'

Describe alternatives you've considered
Manual search on internet.

Additional context
N/A

[KJhellico]

Sri Lanka is already supported since v0.66, please check your version. We hope to add Oman and Qatar as well, so follow the updates.