🐛 Fix IP to bind in the api config file for local use

backend/api/config.local.yaml

@@ -2,7 +2,7 @@ app_name: carrramba-encore-rate
 clear_static_data: false
 
 http:
-  host: 0.0.0.0
+  host: 127.0.0.1
   port: 8080
   cert: ./config/cert.pem
 

backend/api/idfm_interface/idfm_types.py

@@ -205,7 +205,7 @@ class Line(Struct):
 
 Lines = dict[str, Line]
 
-Destinations = dict[str, set[str]]
+Destinations = dict[int, set[str]]
 
 
 # TODO: Set structs frozen