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>

wrangler.toml

@@ -0,0 +1,22 @@
+name = "cloud-instances-api"
+main = "src/index.ts"
+compatibility_date = "2024-12-01"
+
+# D1 Database Binding
+[[d1_databases]]
+binding = "DB"
+database_name = "cloud-instances-db"
+database_id = "placeholder-will-be-replaced"
+
+# Environment Variables
+[vars]
+VAULT_URL = "https://vault.anvil.it.com"
+SYNC_BATCH_SIZE = "100"
+CACHE_TTL_SECONDS = "300"
+
+# Cron Triggers
+[triggers]
+crons = [
+  "0 0 * * *",
+  "0 */6 * * *"
+]