README: add screenshots of hosts, terminal, host settings, Docker, firewall, network, VPN and settings

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

README.md

@@ -4,6 +4,8 @@ A modern SSH, SFTP and RDP client for Windows and Arch Linux / CachyOS. All your
 
 MrTerm is available in **English** and **German**. It follows your system language by default, and you can change it under **Settings → Language**.
 
+![MrTerm host overview with groups](docs/screenshots/hosts.png)
+
 ## Download & installation
 
 Get the latest version from the [releases page](https://git.mrblake.cc/MrBlake/MrTerm/releases).
@@ -48,6 +50,19 @@ sudo pacman -S freerdp gnome-keyring   # use kwallet instead of gnome-keyring on
 - **App lock** with a password and/or a FIDO2 security key such as a YubiKey. The vault is then additionally encrypted, and it can lock automatically when you're inactive
 - **Automatic updates**: MrTerm checks for new versions on startup and can install them for you
 
+## Screenshots
+
+| | |
+|---|---|
+| ![SSH terminal](docs/screenshots/terminal.png) | ![Editing a host](docs/screenshots/edit-host.png) |
+| **SSH terminal** with tabs and quick access to SFTP, Docker, Firewall and Network | **Host settings**: authentication, keys, jump hosts and VPN |
+| ![Docker containers](docs/screenshots/docker.png) | ![UFW firewall rules](docs/screenshots/firewall.png) |
+| **Docker & Podman** containers with CPU and memory usage | **Firewall** rules for UFW and iptables |
+| ![Network configuration](docs/screenshots/network.png) | ![VPN configurations](docs/screenshots/vpn.png) |
+| **Network**: interfaces, bonds (LACP), bridges, gateway and DNS | **VPN**: WireGuard and OpenVPN, connected automatically per host |
+| ![Settings](docs/screenshots/settings.png) | |
+| **Settings**: language, app lock, LAN sync and themes | |
+
 ## Getting started
 
 1. Click **New host**, enter the address, username and password or key, and click **Save**.