feat: #2631, #2282 translate callback to Korean and place it under lo…

[Nickolodeon98]

…calization/ko/callback

Translate callback pattern README to Korean and place it under localization/ko/callback

• This resolves issues Translate to Korean #2282 and Translate the README file of the callback pattern to Korean & Place it under localization/ko/callback #2631.

Pull request description

• Package 'callback' is created under localization/ko with README.md and etc/callback.png inside.

For detailed contributing instructions see https://github.com/iluwatar/java-design-patterns/wiki/01.-How-to-contribute

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[stale]

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.

[stale]

Closed due to inactivity. Thank you for your contributions.

[iluwatar]

Looks good! Thank you for the contribution 🎉

@all-contributors please add @Nickolodeon98 for translation

[allcontributors]

@iluwatar

I couldn't determine any contributions to add, did you specify any contributions?
Please make sure to use valid contribution names.

I've put up a pull request to add @Nickolodeon98! 🎉

[sonarqubecloud]

Quality Gate failed

Failed conditions
C Reliability Rating on New Code (required ≥ A)
B Maintainability Rating on New Code (required ≥ A)

See analysis details on SonarCloud

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