popd: add Hindi translation

[karthik-script]

• [x] The page(s) are in the correct platform directories: common, linux, osx, windows, sunos, android, etc.
• [x] The page(s) have at most 8 examples.
• [x] The page description(s) have links to documentation or a homepage.
• [x] The page(s) follow the content guidelines.
• [x] The page(s) follow the style guide.
• [x] The PR title conforms to the recommended templates.

https://github.com/tldr-pages/tldr/issues/13571

I will add more translations in subsequent PRs