Add minimal Xorg/Openbox installer for headless systems

install_minimal_xorg.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+# Minimal installer for Raspberry Pi OS (no desktop environment)
+# Installs Xorg, Openbox, disables power saving, and configures auto-launch of the signage player
+
+set -e
+
+USER_HOME="/home/pi"
+PROJECT_DIR="$USER_HOME/Desktop/signage-player"
+APP_LAUNCH_SCRIPT="$PROJECT_DIR/run_tkinter_app.sh"
+
+# Update system
+sudo apt update
+sudo apt upgrade -y
+
+# Install minimal X server and Openbox
+sudo apt install -y xorg openbox
+
+# Install VLC for video playback
+sudo apt install -y vlc
+
+# Install Python and dependencies
+sudo apt install -y python3 python3-pip python3-venv python3-tk ffmpeg libopencv-dev python3-opencv \
+    libsdl2-dev libsdl2-mixer-dev libsdl2-image-dev libsdl2-ttf-dev \
+    libjpeg-dev zlib1g-dev libfreetype6-dev liblcms2-dev libwebp-dev tcl8.6-dev tk8.6-dev
+
+# Create virtual environment and install Python requirements
+cd "$PROJECT_DIR"
+python3 -m venv venv
+source venv/bin/activate
+pip install --upgrade pip
+pip install -r tkinter_requirements.txt
+pip install python-vlc
+chmod +x "$APP_LAUNCH_SCRIPT"
+deactivate