Initial commit: Cloud Instances API

Multi-cloud VM instance database with Cloudflare Workers
- Linode, Vultr, AWS connector integration
- D1 database with regions, instances, pricing
- Query API with filtering, caching, pagination
- Cron-based auto-sync (daily + 6-hourly)
- Health monitoring endpoint

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

seed.sql

@@ -0,0 +1,19 @@
+-- seed.sql - Initial provider data for cloud-instances-db
+-- Purpose: Insert default provider records for Linode, Vultr, and AWS
+
+-- Insert initial provider data
+-- Using INSERT OR IGNORE to prevent duplicates on repeated seeding
+INSERT OR IGNORE INTO providers (name, display_name, api_base_url, sync_status)
+VALUES
+  ('linode', 'Linode', 'https://api.linode.com/v4', 'pending'),
+  ('vultr', 'Vultr', 'https://api.vultr.com/v2', 'pending'),
+  ('aws', 'Amazon Web Services', 'https://ec2.shop', 'pending');
+
+-- Verify insertion
+SELECT
+  id,
+  name,
+  display_name,
+  sync_status,
+  created_at
+FROM providers;