tinybox

Update README.md

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@@ -4,6 +4,8 @@ I needed a simple way to build terminal interfaces in Go. Everything out there w
 
 So I wrote tinybox. It's one Go file, about 1000 lines. You can read the whole thing in an afternoon. Copy it into your project and modify it however you want. No dependencies, no build systems, no package managers.
 
+<img width="1278" height="372" alt="tb" src="https://github.com/user-attachments/assets/f2f2ea78-cbbb-49b9-a4e8-76ae04b259de" />
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 ## What It Does
 
 Tinybox gives you raw terminal access. You get a grid of cells, you put characters in them, you call Present() to update the screen. That's the core of it. 
@@ -37,4 +39,4 @@ make
 ```
 ```
 ./example
-```
\ No newline at end of file
+```