Initial setup: mac_os installer with custom config

Contains both components needed for Mac setup:
- mac_os/: Installer scripts (from bkuhlmann/mac_os)
- mac_os-config/: Custom app configuration

Configured apps:
- Homebrew formulas: atuin, bash, ffmpeg, mas, mole, node, rename, ykman
- Homebrew casks: chromium, deepl, element, nextcloud, nova, proton suite, signal, transmit
- App Store: Affinity suite, Bitwarden, Final Cut Pro, Invoice Ninja, iWork, PastePal, xSearch

Usage: cd mac_os && ./bin/run

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

mac_os-config/bin/restore_backup

@@ -0,0 +1,48 @@
+#! /usr/bin/env bash
+
+# Performs restoration of backups.
+
+read -p "Enter the backup volume path (Example: \"/Volumes/alchemist\")? " mac_os_backup_root
+
+if [[ ! -e "$mac_os_backup_root" ]]; then
+  printf "%s\n" "ERROR: Backup volume cannot be found: $mac_os_backup_root."
+  exit 1
+fi
+
+mkdir -p log
+
+rsync \
+  --rsync-path="sudo rsync" \
+  --perms \
+  --recursive \
+  --compress \
+  --numeric-ids \
+  --links \
+  --hard-links \
+  --files-from="$MAC_OS_CONFIG_PATH/lib/restore.bom" \
+  --log-file="log/restore.log" \
+  --human-readable \
+  --verbose \
+  "$mac_os_backup_root/" /
+
+# Newsyslog
+sudo cp -p "$mac_os_backup_root/etc/newsyslog.d/alchemists.conf" "/etc/newsyslog.d"
+sudo cp -p "$mac_os_backup_root/etc/newsyslog.d/homebrew.conf" "/etc/newsyslog.d"
+
+# Dotfiles
+(
+  cd "$HOME/Engineering/OSS/dotfiles"
+  bin/run l
+)
+
+# Sublime Text
+(
+  cd "$HOME/Engineering/OSS/sublime_text_setup"
+  bin/run l
+)
+
+# Duti
+duti "$HOME/.config/duti/configuration.duti"
+
+# Reboot
+printf "%s\n" "Please reboot machine and then finish by installing all libraries."