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/domain-admin/domain-admin.module.ts

@@ -1,10 +1,11 @@
 import { Module } from '@nestjs/common';
+import { ConfigModule } from '@nestjs/config';
 import { AuthModule } from '../auth/auth.module';
 import { DomainAdminController } from './domain-admin.controller';
 import { DomainAdminService } from './domain-admin.service';
 
 @Module({
-  imports: [AuthModule],
+  imports: [AuthModule, ConfigModule],
   controllers: [DomainAdminController],
   providers: [DomainAdminService],
 })