Add WeakRef and FinalizationRegistry article

[WOLFRIEND]

Description

Adding translation of the article: WeakRef и FinalizationRegistry.

Related issue

• Initial discussion and approval: https://github.com/javascript-tutorial/ru.javascript.info/issues/1898.
• Initial pull request of the RUS version of the article: https://github.com/javascript-tutorial/ru.javascript.info/pull/1899.
• Request to add this information to the book (which I think can be closed after merging this pull request): https://github.com/javascript-tutorial/en.javascript.info/issues/2831.

[CLAassistant]

All committers have signed the CLA.

[WOLFRIEND]

Hello. As promised, here is the translation of my article WeakRef и FinalizationRegistry into English. If any edits or corrections are required, please let me know. I will be grateful for your comments. Thank you.

[WOLFRIEND]

/done

[WOLFRIEND]

@iliakan