Rewrite hindi translation for "JavaScript Specials" page

[swapnasahoo]

This pull request translates the "JavaScript Specials" article from English to Hindi.

Key changes in this pull request:

Translation and Localization:

• The entire content of article.md i.e JavaScript Specials page is translated from English to Hindi, including headings, explanations, code comments, and notes, while retaining English technical terms in parentheses for clarity.

Content Structure and Clarity:

• Section headings and subheadings are localized, and explanations are rewritten to suit the linguistic and conceptual understanding of Hindi readers.
• Examples and code comments are translated, ensuring that code functionality and intent remain clear.

Technical Accuracy:

• Technical terms such as "strict mode," "automatic semicolon insertion," "operators," and "loops" are explained with Hindi descriptions and examples, and also the original meaning has been preserved and written in parentheses ().
• Important JavaScript concepts like variable types, function declarations, and control structures are accurately described in Hindi, with references to further reading.

This translation will help Hindi speaking learners better understand JavaScript fundamentals and navigate further learning resources.

[CLAassistant]

All committers have signed the CLA.