i18n: migrate German text to English, remove stale journal

Translate README.md and config/moonset.toml comments from German
to English to enforce the repo language policy. Remove journal.md
as it was a one-time snapshot, not an actively maintained document.

README.md

@@ -1,19 +1,19 @@
 # Moonset
 
-Wayland Session Power Menu für das Moonarch-Ökosystem.
+Wayland Session Power Menu for the Moonarch ecosystem.
 
-Per Keybind aufrufbares Fullscreen-Overlay mit 5 Aktionen:
+A fullscreen overlay triggered by keybind with 5 actions:
 **Lock** · **Logout** · **Hibernate** · **Reboot** · **Shutdown**
 
 ## Features
 
-- Rust + gtk4-rs + gtk4-layer-shell (OVERLAY Layer — über Waybar)
-- Catppuccin Mocha Theme
-- Multi-Monitor-Support (Wallpaper auf Sekundärmonitoren)
-- Inline-Confirmation für destruktive Aktionen
-- Escape oder Hintergrund-Klick zum Schließen
-- DE/EN Lokalisierung
-- Konfigurierbare Wallpaper (TOML)
+- Rust + gtk4-rs + gtk4-layer-shell (OVERLAY layer — above Waybar)
+- Catppuccin Mocha theme
+- Multi-monitor support (wallpaper on secondary monitors)
+- Inline confirmation for destructive actions
+- Escape or background click to dismiss
+- DE/EN localization
+- Configurable wallpaper (TOML)
 
 ## Installation
 
@@ -22,48 +22,48 @@ cargo build --release
 install -Dm755 target/release/moonset /usr/bin/moonset
 ```
 
-Oder via PKGBUILD:
+Or via PKGBUILD:
 
 ```bash
 cd pkg && makepkg -si
 ```
 
-## Verwendung
+## Usage
 
 ```bash
-# Direkt starten
+# Launch directly
 moonset
 
-# Per Niri-Keybind (in ~/.config/niri/config.kdl)
+# Via Niri keybind (in ~/.config/niri/config.kdl)
 # binds {
 #     Mod+Escape { spawn "moonset"; }
 # }
 ```
 
-## Konfiguration
+## Configuration
 
-Konfigurationsdatei: `~/.config/moonset/moonset.toml` oder `/etc/moonset/moonset.toml`
+Config file: `~/.config/moonset/moonset.toml` or `/etc/moonset/moonset.toml`
 
 ```toml
-# Pfad zum Hintergrundbild (optional)
+# Path to background image (optional)
 background_path = "/usr/share/moonarch/wallpaper.jpg"
 ```
 
-Wallpaper-Fallback: Konfiguration → `/usr/share/moonarch/wallpaper.jpg` → eingebettetes Package-Wallpaper
+Wallpaper fallback: config → `/usr/share/moonarch/wallpaper.jpg` → bundled package wallpaper
 
-## Entwicklung
+## Development
 
 ```bash
 # Tests
 cargo test
 
-# Release-Build
+# Release build
 cargo build --release
 ```
 
-## Teil des Moonarch-Ökosystems
+## Part of the Moonarch ecosystem
 
-- **moonarch** — Reproduzierbares Arch-Linux-Setup
-- **moongreet** — greetd Greeter für Wayland
-- **moonlock** — Wayland Lockscreen
-- **moonset** — Session Power Menu
+- **moonarch** — Reproducible Arch Linux setup
+- **moongreet** — greetd greeter for Wayland
+- **moonlock** — Wayland lockscreen
+- **moonset** — Session power menu