restructure: add setup.sh entry point, move scripts to spoke/ and hub/

setup.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+CYAN='\033[0;36m'
+NC='\033[0m'
+
+info()   { echo -e "${GREEN}[+]${NC} $*"; }
+die()    { echo -e "${RED}[ERROR]${NC} $*" >&2; exit 1; }
+header() { echo -e "\n${CYAN}══════════════════════════════════════════${NC}"; echo -e "${CYAN}  $*${NC}"; echo -e "${CYAN}══════════════════════════════════════════${NC}"; }
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+header "TinyBoard Setup"
+echo ""
+echo "  1) Set up this device as a new spoke"
+echo "  2) Onboard a new spoke from the hub"
+echo ""
+read -rp "Choose [1/2]: " CHOICE
+
+case "$CHOICE" in
+1)
+    [ "$(id -u)" -eq 0 ] || die "Spoke setup must be run as root"
+    info "Starting spoke setup..."
+    exec "$SCRIPT_DIR/spoke/setup-spoke.sh"
+    ;;
+2)
+    info "Starting hub onboarding..."
+    exec "$SCRIPT_DIR/hub/onboard-spoke.sh"
+    ;;
+*)
+    die "Invalid choice"
+    ;;
+esac