Add script to install Bazaar via Flatpak

This script installs the Bazaar application via Flatpak in the specified system directory.

build/50-install-bazaar.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/bash
+set -eoux pipefail
+
+# 1. Repo hinzufügen und direkt auf den /usr-Pfad zwingen
+FLATPAK_SYSTEM_DIR=/usr/var/lib/flatpak \
+flatpak remote-add --system --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
+
+# 2. Bazaar gezielt in diesen unbeschreibbaren Pfad installieren
+FLATPAK_SYSTEM_DIR=/usr/var/lib/flatpak \
+flatpak install --system -y flathub io.github.kolunmi.Bazaar