feat(radio-chicken): add Kubernetes manifests and migration scripts for Radio Chicken

rollback_radio_chicken_migration.sh

@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+# ==============================================================================
+# Rollback Script: Radio Chicken Kubernetes -> Standalone Docker on Host
+# ==============================================================================
+set -euo pipefail
+
+CLUSTER_HOST="10.2.0.4"
+SSH_USER="bart"
+HTPC_NS="htpc"
+KUBECONFIG_PATH="${KUBECONFIG:-$HOME/.kube/config_vmserver}"
+
+COLOR_GREEN="\033[0;32m"
+COLOR_YELLOW="\033[1;33m"
+COLOR_RED="\033[0;31m"
+COLOR_RESET="\033[0m"
+
+log_info() { echo -e "${COLOR_GREEN}[INFO]${COLOR_RESET} $1"; }
+log_warn() { echo -e "${COLOR_YELLOW}[WARN]${COLOR_RESET} $1"; }
+log_err()  { echo -e "${COLOR_RED}[ERROR]${COLOR_RESET} $1"; }
+
+echo "========================================================================"
+echo " TERUGROLLEN RADIO CHICKEN: KUBERNETES -> STANDALONE HOST DOCKER"
+echo "========================================================================"
+read -p "Weet je zeker dat je Radio Chicken wilt terugrollen naar de host Docker containers? (j/N): " -r CONFIRM
+if [[ ! "$CONFIRM" =~ ^[jJyY]$ ]]; then
+    log_info "Terugrol geannuleerd."
+    exit 0
+fi
+
+log_info "1. Schalen van Kubernetes deployment/radio-chicken naar 0..."
+KUBECONFIG="${KUBECONFIG_PATH}" kubectl scale deployment/radio-chicken -n "${HTPC_NS}" --replicas=0
+
+log_info "2. Herstarten van Docker containers op ${CLUSTER_HOST}..."
+ssh "${SSH_USER}@${CLUSTER_HOST}" "
+    cd /home/bart/jellyfinradio
+    echo '--> Starten van docker-compose...'
+    docker compose up -d
+"
+
+log_info "3. Verifiëren van status op ${CLUSTER_HOST}..."
+sleep 5
+if curl -s -f -o /dev/null "http://${CLUSTER_HOST}:5000/live"; then
+    log_info "✅ Radio Chicken draait weer op de host via Docker."
+else
+    log_warn "⚠️ Radio Chicken reageert nog niet direct op poort 5000."
+fi
+
+echo "========================================================================"
+log_info "Terugrol voltooid."
+echo "========================================================================"