Initial build: Great Bear microbrewery site

- TanStack Start (React 19, Tailwind 4) frontend recreated from Stitch design
- PocketBase backend with schema migration + idempotent content seed
- Single Docker image running both services (non-root, healthchecked)
- deploy.sh to build & push to registry.tanshu.com
- Ansible playbook (roles: app, caddy) deploying to www.greatbear.in
  with Caddy TLS entries for the site and the PocketBase admin

ansible/site.yml

@@ -0,0 +1,9 @@
+---
+- name: Deploy The Great Bear (PocketBase + TanStack Start)
+  hosts: greatbear
+  become: true
+  roles:
+    - role: app
+      tags: [app, deploy]
+    - role: caddy
+      tags: [caddy, web]