fix: make the bot API conform

i am SO sorry transitous team I only saw the notice now

src/data/locales/de.yaml

@@ -5,7 +5,7 @@ channel:
   short_name: "{train_name} nach {goes_to}"
 embeds:
   footer:
-    notice: "Daten bereitgestellt von https://transitous.org • Maps (C) CARTO (C) OpenStreetMap.org contributors"
+    notice: "https://transitous.org/sources/ • Maps (C) CARTO (C) OpenStreetMap.org contributors"
   info:
     description: "Abfahrt von {station} um {departure}. Ankunft um {arrival}"
     via: "Über"

src/data/locales/en.yaml

@@ -5,7 +5,7 @@ channel:
   short_name: "{train_name} to {goes_to}"
 embeds:
   footer:
-    notice: "Data provided by https://transitous.org • Maps (C) CARTO (C) OpenStreetMap.org contributors"
+    notice: "Data provided by https://transitous.org/sources/ • Maps (C) CARTO (C) OpenStreetMap.org contributors"
   info:
     description: "Departure from {station} at {departure}. Arrival by {arrival}"
     via: "via"

src/data/operators.py

@@ -108,6 +108,10 @@ OPERATORS = {
         "logo": "https://upload.wikimedia.org/wikipedia/commons/thumb/1/14/Stadtwerke_T%C3%BCbingen_logo.svg/330px-Stadtwerke_T%C3%BCbingen_logo.svg.png",
         "color": 0x439669
     },
+    "Südwestdeutsche Verkehrs-AG": {
+        "logo": "https://upload.wikimedia.org/wikipedia/commons/thumb/3/30/SWEG_Logo.svg/330px-SWEG_Logo.svg.png?utm_source=de.wikipedia.org&utm_campaign=index&utm_content=thumbnail",
+        "color": 0x1A509A
+    },
     "Tallink Grupp AS": {
         "logo": "https://upload.wikimedia.org/wikipedia/commons/thumb/9/9e/Tallink_logo.svg/330px-Tallink_logo.svg.png",
         "color": 0x225197