Update README with Spanish link and description

Added a link to the Spanish version of the README and updated the description for ThreadsVault Desktop.

Author: D4vRAM369

README_english-version.md README.mdREADME_english-version.md renamed to README.md

@@ -2,6 +2,8 @@
 
 <img width="400" height="400" alt="threadsvault-desktop-icon" src="https://github.com/user-attachments/assets/e336810d-5130-4b7a-a275-fac97b15acec" />
 
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 <!-- badges -->
 ![Platform](https://img.shields.io/badge/plataforma-Windows%20%7C%20Linux-blue)
 ![Cross Platform](https://img.shields.io/badge/Cross--Platform-Desktop%20%7C%20Web-blueviolet)
@@ -17,6 +19,10 @@
 [![Codex](https://img.shields.io/badge/Assistant-Codex-111827)](https://openai.com/)
 [![Ask DeepWiki](https://deepwiki.com/badge.svg)](https://deepwiki.com/D4vRAM369/ThreadsVault-desktop)
 
+<p align="left">
+  <a href="./README_spanish-version.md">Leer en español</a>
+</p>
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 > A local vault for your Threads posts. No cloud. No tracking. No account required.
 
 ThreadsVault Desktop is the desktop version of [ThreadsVault for Android](https://github.com/D4vRAM369/ThreadsVault). Its workflow is simple: paste the URL of a Threads post, it gets extracted, stored locally, and becomes yours. Close the app and open it whenever you want: the text and images of your saved posts will still be there (the program stores everything locally in the background after each save).