Add some screenshots

Author: vilicvane

README.md

@@ -23,6 +23,15 @@ It is created to unleash the full potential of Tangem cards and provide a possib
 - 💰 Respect dApps' gas price settings, big big money saved over time.
 - 🔌 Custom chains support for advanced users.
 
+## Screenshots
+
+<p align="center">
+  <img src="./res/screenshots/transaction-data-verified.png" width="20%" alt="transaction-data-verified" />
+  <img src="./res/screenshots/transaction-data-unverified.png" width="20%" alt="transaction-data-unverified" />
+  <img src="./res/screenshots/malicious-app.png" width="20%" alt="malicious-app" />
+  <img src="./res/screenshots/session.png" width="20%" alt="session" />
+</p>
+
 ## Downloads
 
 You can find the latest version of the app on [GitHub Releases](https://github.com/vilicvane/megnat/releases/latest).