docs: add links to other language versions of README

[dowithless]

Added language selection links to the README for easier access to translated versions: German, Spanish, French, Japanese, Korean, Portuguese, Russian, and Chinese.

The updated can be previewed in my forked repository: https://github.com/dowithless/llm-app/tree/patch-1

Introduction

To contribute code to the Pathway project, start by discussing your proposed changes on Discord or by filing an issue.
Once approved, follow the fork + pull request model against the main branch, ensuring you've signed the contributor license agreement.

Context

How has this been tested?

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature or improvement (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Related issue(s):

Checklist:

• My code follows the code style of this project,
• My change requires a change to the documentation,
• I described the modification in the CHANGELOG.md file.

[CLAassistant]

All committers have signed the CLA.

[me-sayema]

Nnmmm

[Smelly27]

I like the new changes here!