feat: add .gitignore and apps/template for new apps

apps/template/deploy.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+# 用途：部署 {{APP_NAME}} 到 K3s
+
+set -euo pipefail
+
+BASE_DIR="$(cd "$(dirname "$0")" && pwd)"
+MANIFESTS="$BASE_DIR/manifests"
+APP_NAME="{{APP_NAME}}"
+
+echo "🚀 部署 $APP_NAME..."
+
+# 依序套用 manifests（按檔名排序）
+kubectl apply -f "$MANIFESTS/"
+
+echo "⏳ 等待 Pod 就緒..."
+kubectl rollout status deployment/$APP_NAME --timeout=120s
+
+echo "✅ $APP_NAME 部署完成"