Add worker configs to allow n8n.mylder.io HTTP requests

- wws blocks external HTTP requests by default
- Add index.toml with allowed_hosts for chat and webhook

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

chat/index.toml

@@ -0,0 +1,8 @@
+name = "chat"
+version = "1"
+
+[features]
+http_requests = true
+
+[features.http_requests]
+allowed_hosts = ["n8n.mylder.io"]

webhook/index.toml

@@ -0,0 +1,8 @@
+name = "webhook"
+version = "1"
+
+[features]
+http_requests = true
+
+[features.http_requests]
+allowed_hosts = ["n8n.mylder.io"]