feat: Add multi-environment support with dynamic domain routing

Author: whoabuddy

wrangler.toml

@@ -3,6 +3,16 @@ name = "aibtcdev-cache"
 main = "src/index.ts"
 compatibility_date = "2024-11-09"
 account_id = "96280594e2b905d4dc40b3c744149710"
+# Default environment (preview)
+[env.preview]
+routes = []
+
+# Staging environment
+[env.staging]
+routes = [{ pattern = "cache-staging.aibtc.dev", custom_domain = true }]
+
+# Production environment
+[env.production]
 routes = [{ pattern = "cache.aibtc.dev", custom_domain = true }]
 
 # Workers Logs