Add blog post and hero image for v4.0.10 release

Introduces a new blog post announcing Files Preview v4.0.10, detailing update instructions and key changes. Adds a corresponding hero image for the post.

Author: yaira2

src/routes/blog/posts/v4-0-10/+page.md

@@ -0,0 +1,26 @@
+---
+title: Announcing Files Preview v4.0.10
+description: Announcing Files Preview v4.0.10 for users of the preview version.
+thumbnail: /blog-resources/v4-0-10/Hero.webp
+date: 9/16/2025
+author: files-community
+---
+
+Today we are releasing **Files Preview v4.0.10** for users of the preview version.
+
+An update icon should be displayed in the top right corner of the app for existing users, while new users can get started from our [download](/download/) page. Additionally, you can help support the project by purchasing Files on the [Microsoft Store](ms-windows-store://pdp/?ProductId=9NSQD9PKV3SS&cid=FilesWebsite) or by sponsoring us on [GitHub](https://github.com/sponsors/yaira2). Your support is greatly appreciated but entirely optional.
+
+## What's new in Files v4.0.10
+
+- Fixed issue where the delete tag button had poor styling.
+- Removed experimental support for long paths.
+
+## Conclusion
+
+As always, we appreciate your feedback and suggestions on how to improve Files. You can reach us on [Discord](https://discord.gg/files) and on [GitHub](https://github.com/files-community/Files/).
+
+Thank you for using Files! 😊
+
+---
+
+Download Files Preview from the [Microsoft Store](ms-windows-store://pdp/?ProductId=9NSQD9PKV3SS&cid=FilesWebsite) | Sponsor us on [GitHub](https://github.com/sponsors/yaira2/)