Enhance README with new images and math support

Updated images and added math support section.

Author: Angel87develop

README.md

@@ -1,8 +1,10 @@
 # Inkdrop
 
-![all-app](https://files.catbox.moe/lkta5o.png)
+![all-app](<img width="1382" height="887" alt="image" src="https://github.com/user-attachments/assets/c37a9699-759c-4cb9-8cb4-c66a7de5b73e" />)
 ![settings](https://files.catbox.moe/i55yf1.png)
 
+## Math support for your class!
+![math](<img width="1380" height="895" alt="image" src="https://github.com/user-attachments/assets/b49ba619-38c2-4926-99b4-7cbec11a0d0d" />)
 
 A beautiful, feature-rich Markdown note-taking desktop application built with Electron, React, and Tailwind CSS 4.1.