Initial monorepo scaffold

Turborepo + pnpm monorepo for k3s homelab cluster on Intel NUCs.

- Apps: Next.js web frontend, Express API (TypeScript, Dockerfiles, k8s manifests)
- Packages: shared UI, ESLint config, TypeScript config, Drizzle DB schemas
- Infra/Ansible: bare-metal provisioning with roles for common, k3s-server, k3s-agent, hardening
- Infra/Kubernetes: ArgoCD GitOps (app-of-apps + ApplicationSets), platform components
  (cert-manager, Traefik, CloudNativePG, Valkey, Longhorn, Sealed Secrets), namespaces
- Observability: kube-prometheus-stack, Loki, Promtail as ArgoCD Applications
- CI/CD: GitHub Actions for PR builds, preview deploys, production deploys
- DX: Taskfile, utility scripts, copier templates, Ubiquiti network docs

templates/node-api/{{app_name}}/package.json.jinja

@@ -0,0 +1,24 @@
+{
+  "name": "@homelab/{{ app_name }}",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "tsx watch src/index.ts",
+    "build": "tsup src/index.ts --format cjs --outDir dist",
+    "start": "node dist/index.js",
+    "lint": "tsc --noEmit",
+    "test": "echo \"no tests yet\""
+  },
+  "dependencies": {
+    "express": "^4.21.0",
+    "cors": "^2.8.5"
+  },
+  "devDependencies": {
+    "@types/express": "^5.0.0",
+    "@types/cors": "^2.8.17",
+    "@types/node": "^22.10.0",
+    "tsup": "^8.3.0",
+    "tsx": "^4.19.0",
+    "typescript": "^5.7.0"
+  }
+}

templates/node-api/{{app_name}}/src/index.ts.jinja

@@ -0,0 +1,20 @@
+import express from "express";
+import cors from "cors";
+
+const app = express();
+const port = process.env.PORT || {{ port }};
+
+app.use(cors());
+app.use(express.json());
+
+app.get("/health", (_req, res) => {
+  res.json({ status: "ok", timestamp: new Date().toISOString() });
+});
+
+app.get("/api", (_req, res) => {
+  res.json({ message: "{{ description }}", version: "0.1.0" });
+});
+
+app.listen(port, () => {
+  console.log(`{{ app_name }} running on port ${port}`);
+});