Add application screenshots to README

README.md

@@ -11,6 +11,28 @@
 Airgapper is a control plane for peer-to-peer NAS backups where no single party can read, delete, or restore the data alone. It wraps [restic](https://restic.net) for encrypted backups and uses Shamir's Secret Sharing to split the decryption key between parties.
 
 
+## Screenshots
+
+<p align="center">
+  <img src="docs/screenshots/01-landing-page.png" alt="Landing Page" width="600">
+</p>
+<p align="center"><em>Landing page — choose to back up your data or host someone else's backup</em></p>
+
+<p align="center">
+  <img src="docs/screenshots/02-init-vault.png" alt="Initialize Vault" width="600">
+</p>
+<p align="center"><em>Initialize a new vault — set your name and select folders to back up</em></p>
+
+<p align="center">
+  <img src="docs/screenshots/03-host-setup.png" alt="Host Setup" width="600">
+</p>
+<p align="center"><em>Host setup — overview of how hosting works with encrypted, append-only storage</em></p>
+
+<p align="center">
+  <img src="docs/screenshots/04-host-storage.png" alt="Storage Configuration" width="600">
+</p>
+<p align="center"><em>Storage configuration — set backup location and optional quota limits</em></p>
+
 ## Context + Problem
 
 An effective backup strategy for homelabs follows the **3-2-1 principle**: 3 total copies, 2 local (ideally 1 continuous and 1 periodic), and 1 remote copy.