feat: initial VanityOnTour status page

- HTML dashboard with auto-refresh (5min countdown)
- Python checker: HTTP status, SSL expiry, App Store data
- GitHub Actions: runs every 5 min, deploys via FTP to Hostinger
- Monitors 13 services + iOS app + 6 SSL certs

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

README.md

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+# VanityOnTour Status Page
+
+Automated status dashboard for all VanityOnTour services, hosted on Hostinger at `status.vanityontour.de`.
+
+## What it monitors
+
+- **Websites**: vanityontour.de, news, wiki, staysense, landing
+- **Tools**: N8N, Nginx Proxy Manager, Uptime Kuma, Stats, App Backend, CloudPanel
+- **APIs**: RSS News API, StaySense API
+- **iOS App**: Vanity Expense Logbook (version, rating, last update)
+- **SSL**: Certificate expiry for all main domains
+
+## How it works
+
+GitHub Actions runs every 5 minutes:
+1. `scripts/check_status.py` checks all services and writes `public/status.json`
+2. Commits the updated `status.json` to the repo
+3. Deploys `public/` to Hostinger via FTP
+
+## Setup: GitHub Secrets required
+
+Go to **Settings → Secrets → Actions** and add:
+
+| Secret | Value |
+|--------|-------|
+| `FTP_SERVER` | FTP hostname from Hostinger hPanel |
+| `FTP_USERNAME` | `u982551092` |
+| `FTP_PASSWORD` | FTP password from Hostinger hPanel |
+
+## Local test
+
+```bash
+python3 scripts/check_status.py
+# → writes public/status.json
+```