Update README.md

Author: SinlessDevil

README.md

@@ -15,6 +15,10 @@ A grid-based inventory system inspired by games like **Escape from Tarkov** and
 
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+## **🧠 Inventory is written on the MVVM architecture (Model / View / ViewModel)**
+
+---
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 ## 🖼 Interface Preview
 
 <table>