add INTERNAL_HTTP_TIMEOUT_SECONDS option 5min default

capsulflask/hub_model.py

@@ -180,6 +180,7 @@ class CapsulFlaskHub(VirtualizationInterface):
   def create(self, email: str, id: str, template_image_file_name: str, vcpus: int, memory_mb: int, ssh_authorized_keys: list):
     validate_capsul_id(id)
     online_hosts = get_model().get_online_hosts()
+    #current_app.logger.debug(f"hub_model.create(): ${len(online_hosts)} hosts")
     payload = json.dumps(dict(
       type="create", 
       email=email,