feat: add PKGBUILD for Arch Linux native installation and desktop integration

PKGBUILD

@@ -0,0 +1,60 @@
+# Maintainer: Nils Pukropp <nils@narl.io>
+pkgname=ultimate-ban-tracker
+pkgver=1.3.3
+pkgrel=1
+pkgdesc="Professional Steam Account Manager & Ban Tracker"
+arch=('x86_64')
+url="https://narl.io"
+license=('custom:Personal Use and Non-Commercial')
+depends=('electron' 'nodejs' 'npm')
+makedepends=('imagemagick')
+source=("ultimate-ban-tracker-${pkgver}.tar.gz::https://git.narl.io/nvrl/ultimate-ban-tracker/archive/v${pkgver}.tar.gz")
+sha256sums=('SKIP') # Users should verify against the Gitea release
+
+build() {
+  cd "${srcdir}/ultimate-ban-tracker"
+  
+  # Build frontend
+  cd frontend
+  npm install
+  
+  # Ensure icon is converted for desktop entry
+  convert -background none -size 512x512 assets-build/icon.svg assets-build/icon.png
+  
+  # Build production
+  npm run electron:build -- --linux
+}
+
+package() {
+  cd "${srcdir}/ultimate-ban-tracker/frontend"
+  
+  # Create directory structure
+  install -d "${pkgdir}/usr/lib/${pkgname}"
+  install -d "${pkgdir}/usr/bin"
+  install -d "${pkgdir}/usr/share/applications"
+  install -d "${pkgdir}/usr/share/pixmaps"
+
+  # Copy the unpacked linux build
+  cp -r release/linux-unpacked/* "${pkgdir}/usr/lib/${pkgname}/"
+
+  # Create symlink to binary
+  ln -s "/usr/lib/${pkgname}/${pkgname}" "${pkgdir}/usr/bin/${pkgname}"
+
+  # Install Desktop Entry
+  cat > "${pkgdir}/usr/share/applications/${pkgname}.desktop" <<EOF
+[Desktop Entry]
+Name=Ultimate Ban Tracker
+Exec=/usr/bin/${pkgname}
+Icon=${pkgname}
+Type=Application
+Categories=Game;Utility;
+Terminal=false
+Comment=Professional Steam Account Manager & Ban Tracker
+EOF
+
+  # Install Icon
+  install -m644 "assets-build/icon.png" "${pkgdir}/usr/share/pixmaps/${pkgname}.png"
+  
+  # Install License
+  install -D -m644 "../LICENSE" "${pkgdir}/usr/share/licenses/${pkgname}/LICENSE"
+}