CEC-287 Car connection status (#59)

* Car connection status

* Formatting

src/services/vehicles.js

@@ -39,6 +39,15 @@ const vehiclesAPI = {
     }),
   })
     .then(fetchRespHandler),
+  
+  getConnections: async (vins, token) => {
+    const u = `${API_ENDPOINT}/carsconnected?vins=${vins.join(",")}`
+    return  fetch(u, {
+      method: "GET",
+      headers: Object.assign({ "Content-Type": "application/json" }, getAuthHeaderOptions(token)),
+    })
+      .then(fetchRespHandler)
+  },
 };
 
 export default vehiclesAPI;