feat: Add support for .kr domain expiration (#34)

support .kr domain expiration

Co-authored-by: pys0530 <120859004+pys0530@users.noreply.github.com>
Co-authored-by: TwiN <twin@linux.com>

test: Remove tests for color TLDs

fix: Use domain extension as key instead of domain (#27)

feat: Add support for .cz and .me domain expiration (#24)

* Added support for .CZ and .ME domain expiration parsing

* Added support for .CZ and .ME domain expiration parsing with strings.ToUpper(value) for consistent date formatting

* Fix main code and add tests for TLD handling (.cz, .me)

* Fix: Add handling for missing domain statuses and name servers for .cz and other TLDs

* Fix: Add handling for missing domain statuses and name servers for .cz and other TLDs

* Apply suggestions from code review

* Exclude .cz domain from status check in tests

* Update whois_test.go

* Update whois_test.go

* Fix: Added support for .cz TLD, updated expiration date handling, and removed .me from tldWithoutExpirationDate

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Co-authored-by: TwiN <twin@linux.com>

fix: Use a more reliable WHOIS server for .mx (#21)

fix: Support for .mx ccTLD (#20)

Fix support for .mx ccTLD

Co-authored-by: TwiN <twin@linux.com>

Implement tracking expiration date for ru/su domains (#17)

* Implement tracking expiration date for ru/su domains

* Update whois.go

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Co-authored-by: TwiN <twin@linux.com>

fix: Make sure domains with .im TLD work as intended (#15)

fix: Expiration Date time parsing format for .uk and .scot domains (#14)

* fix: Expiration Date time parsing format for .co.uk/.uk

* fix: Expiration Date time parsing format for .scot

* fix: add whois.nic.uk to referral cache

fix: Expiration Date time parsing format for .cn (#13)

* fix: Expiration Date time parsing format for .cn

* chore: use string date time foramt for CN