Replace Google Drive with Cloudflare R2 for Image Storage

[AJFrio]

This PR replaces the Google Drive integration for image storage with Cloudflare R2.
It includes:

• New R2Service for handling uploads and file retrieval.
• Updates to scripts/setup.js and scripts/deploy.js to automatically create an R2 bucket and bind it to the worker.
• Updates to the admin frontend to remove Google Drive tabs and logic, pointing uploads to the new R2 backend.
• A new public route /api/images/:key to serve images directly from the R2 bucket via the Worker, ensuring proper caching and headers.
• Removal of DriveService and related admin routes.

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PR created automatically by Jules for task 13633155208450933772 started by @AJFrio

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[chatgpt-codex-connector]

💡 Codex Review

OpenShop/src/components/admin/AddMediaModal.jsx

Lines 159 to 162 in e7050f6

	for (const url of refUrls.slice(0, 3)) {
	try {
	const proxied = `/api/image-proxy?src=${encodeURIComponent(url)}`
	const resp = await fetch(proxied)

Allow R2-hosted refs instead of proxy-only Drive URLs

Reference images are always fetched through /api/image-proxy (proxied = "/api/image-proxy?src=..."), but the proxy explicitly allows only Google Drive hosts (src/routes/public/imageProxy.js lines 17–21). With the switch to R2, newly uploaded media URLs are now /api/images/:key (same-origin), so these URLs fail the proxy’s host check and the reference images are silently skipped. This means “Add from Library” no longer influences generation for any R2-hosted media. Consider bypassing the proxy for same-origin/R2 URLs or expanding the proxy to allow the /api/images host.

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