Enhance README and build scripts for hardware-specific optimizations

- Updated README.md to clarify development setup for macOS/Docker and added production build instructions for specific hardware.
- Introduced new build scripts for optimized OS images targeting Start9 Server Pure, HP ProDesk 400 G4 DM, and Dell OptiPlex.
- Enhanced Dockerfile to specify platform compatibility and improved Alpine profile for Archipelago builds.
- Updated configuration files and init scripts to support new hardware profiles and ensure proper service management.

image-recipe/alpine-profile/overlay-merged/etc/systemd/system/archipelago.service

@@ -0,0 +1,29 @@
+[Unit]
+Description=Archipelago Bitcoin Node OS Backend
+After=network.target podman.service
+Wants=network.target
+
+[Service]
+Type=simple
+User=archipelago
+Group=archipelago
+WorkingDirectory=/var/lib/archipelago
+ExecStart=/usr/bin/archipelago
+Restart=always
+RestartSec=10
+StandardOutput=journal
+StandardError=journal
+
+# Security
+NoNewPrivileges=true
+PrivateTmp=true
+ProtectSystem=strict
+ProtectHome=true
+ReadWritePaths=/var/lib/archipelago /tmp
+
+# Environment
+Environment="RUST_LOG=info"
+Environment="ARCHIPELAGO_DATA_DIR=/var/lib/archipelago"
+
+[Install]
+WantedBy=multi-user.target