Add website API docs, SSL api-hosts, and git-only deploy workflow.

Serve public storefront docs at /docs/website, expose api.{domain} hosts for API SSL sync, and require push-then-pull deploys instead of rsync.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/website-docs/website-docs.module.ts

@@ -0,0 +1,7 @@
+import { Module } from '@nestjs/common';
+import { WebsiteDocsController } from './website-docs.controller';
+
+@Module({
+  controllers: [WebsiteDocsController],
+})
+export class WebsiteDocsModule {}