CEC-287 Car connection status (#59)

* Car connection status

* Formatting

src/services/__mocks__/vehicles.js

@@ -10,7 +10,7 @@ const data = [
 ];
 
 const vehiclesAPI = {
-  getVehicles: async (search, token) => { return { data: { data } }; },
+  getVehicles: async (search, token) => { return { data }; },
   addVehicle: async (vehicle, token) => { 
     data.push(vehicle);
     return vehicle;
@@ -30,6 +30,15 @@ const vehiclesAPI = {
       vin, command, parameters
     }
   },
+  getConnections: async (vins, token) => {
+    const result = {};
+
+    vins.forEach(vin => {
+      result[vin] = true;
+    });
+
+    return result;
+  }
 };
 
 export default vehiclesAPI;