Initial version of the E-Invoice solution of JR IT Services

scripts/arch_install.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "[1/3] Installing Java (needed for Mustang combine/validate)"
+sudo pacman -S --needed jre-openjdk-headless
+
+echo "[2/3] Installing libs for WeasyPrint (PDF rendering)"
+sudo pacman -S --needed cairo pango gdk-pixbuf2 libffi
+
+echo "[3/3] Optional fallback: wkhtmltopdf"
+echo "Run if you want fallback PDF renderer:"
+echo "  sudo pacman -S --needed wkhtmltopdf"

scripts/download_mustang.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+echo "Use the built-in installer instead:"
+echo "  jr-einvoice setup-mustang --version 2.22.0"