🚚 Rename backend component (idfm_matrix_backend -> backend)

backend/main.py

@@ -8,10 +8,10 @@ from fastapi.responses import JSONResponse
 from fastapi.staticfiles import StaticFiles
 from rich import print
 
-from idfm_matrix_backend.db import db
+from backend.db import db
-from idfm_matrix_backend.idfm_interface import IdfmInterface
+from backend.idfm_interface import IdfmInterface
-from idfm_matrix_backend.models import Line, Stop, StopArea
+from backend.models import Line, Stop, StopArea
-from idfm_matrix_backend.schemas import (
+from backend.schemas import (
     Line as LineSchema,
     TransportMode,
     NextPassage as NextPassageSchema,