opentsdb: Enable chunked API requests by default

Changed files
+1
nixos
modules
services
databases
+1
nixos/modules/services/databases/opentsdb.nix
···
configFile = pkgs.writeText "opentsdb.conf" ''
tsd.core.auto_create_metrics = true
+
tsd.http.request.enable_chunked = true
'';
in {