Complete archiso profile for OrionOS ISO build

- iso/profile/profiledef.sh: archiso profile with BIOS+UEFI bootmodes
- iso/profile/packages.x86_64: full package list (X11, audio, OrionOS deps)
- iso/profile/pacman.conf: pacman config for archiso
- iso/profile/airootfs/: live overlay (xinitrc, hostname, skel)
- iso/docker/Dockerfile: builds OrionOS from source, installs into airootfs, runs mkarchiso

iso/profile/airootfs/etc/hostname

@@ -0,0 +1 @@
+orionos

iso/profile/airootfs/etc/orionos/xinitrc

@@ -0,0 +1,9 @@
+#!/bin/bash
+# OrionOS live session autostart
+
+picom --config /etc/orionos/picom.conf &
+orionwallpaper &
+orionnotify &
+orionclip &
+oriondeskbar &
+exec orionwm

iso/profile/airootfs/etc/skel/.xinitrc

@@ -0,0 +1,2 @@
+#!/bin/bash
+source /etc/orionos/xinitrc

iso/profile/airootfs/root/.xinitrc

@@ -0,0 +1,2 @@
+#!/bin/bash
+source /etc/orionos/xinitrc

iso/profile/packages.x86_64

@@ -0,0 +1,72 @@
+# OrionOS live system packages
+
+# Base system
+base
+linux
+linux-firmware
+mkinitcpio
+
+# X11
+xorg-server
+xorg-xinit
+xorg-xrandr
+xorg-xsetroot
+xorg-xev
+
+# Fonts
+ttf-dejavu
+noto-fonts
+ttf-liberation
+
+# Dependencies for OrionOS components
+libx11
+libxft
+libxfixes
+libxext
+libpng
+dbus
+libpam
+fontconfig
+freetype2
+
+# Desktop utilities
+feh
+picom
+xterm
+libnotify
+
+# Audio
+alsa-utils
+pulseaudio
+
+# Brightness
+light
+
+# Media playback control
+playerctl
+
+# Arch tools
+pacman-contrib
+pkexec
+polkit
+
+# System tools
+bash
+coreutils
+util-linux
+procps-ng
+grep
+gawk
+sed
+tar
+gzip
+
+# Network
+networkmanager
+dhcpcd
+
+# Misc
+git
+vim
+less
+which

iso/profile/pacman.conf

@@ -0,0 +1,14 @@
+[options]
+HoldPkg     = pacman glibc
+Architecture = auto
+CheckSpace
+ParallelDownloads = 5
+
+[core]
+Include = /etc/pacman.d/mirrorlist
+
+[extra]
+Include = /etc/pacman.d/mirrorlist
+
+[multilib]
+Include = /etc/pacman.d/mirrorlist

iso/profile/profiledef.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+# archiso profile definition for OrionOS
+
+iso_name="OrionOS"
+iso_label="ORIONOS_$(date +%Y%m)"
+iso_publisher="OrionOS Project"
+iso_application="OrionOS Live"
+iso_version="$(date +%Y.%m)"
+install_dir="arch"
+buildmodes=('iso')
+bootmodes=('bios.syslinux.mbr' 'bios.syslinux.eltorito'
+           'uefi-ia32.grub.esp' 'uefi-x64.grub.esp'
+           'uefi-ia32.grub.eltorito' 'uefi-x64.grub.eltorito')
+arch="x86_64"
+pacman_conf="pacman.conf"
+airootfs_image_type="squashfs"
+airootfs_image_tool_options=('-comp' 'zstd' '-Xcompression-level' '15')
+file_permissions=(
+    ["/etc/orionos/xinitrc"]="0:0:755"
+    ["/root/.xinitrc"]="0:0:755"
+    ["/etc/skel/.xinitrc"]="0:0:755"
+)