Fix Translation error in Home Connect "Add application credentials"-step (home-assistant#155233)

Author: steinmn

homeassistant/components/home_connect/application_credentials.py

@@ -12,3 +12,13 @@ async def async_get_authorization_server(hass: HomeAssistant) -> AuthorizationSe
         authorize_url=OAUTH2_AUTHORIZE,
         token_url=OAUTH2_TOKEN,
     )
+
+
+async def async_get_description_placeholders(hass: HomeAssistant) -> dict[str, str]:
+    """Return description placeholders for the credentials dialog."""
+    return {
+        "developer_dashboard_url": "https://developer.home-connect.com/",
+        "applications_url": "https://developer.home-connect.com/applications",
+        "register_application_url": "https://developer.home-connect.com/application/add",
+        "redirect_url": "https://my.home-assistant.io/redirect/oauth",
+    }