Change main UI layout and add VINs to add and upload forms (#16)

* Add new upload update package form
Add new add vehicle form
Add new side menu layout
Add new toolbar layout
Update and add unit tests

* Enable add get and add vehicles

* Integration issues with ota_update service

* Update get vehicle JSON format

* Fix related unit test
Add release notes field

* Add StatusContext to display error and status messages

src/services/vehicles.js

@@ -0,0 +1,20 @@
+import axios from 'axios';
+
+const API_ENDPOINT = process.env.REACT_APP_UPLOAD_SERVICE_URL || "https://gw-dev.fiskerdps.com/ota_update";
+
+const getOptions = (token) => ({
+  headers: {
+    "Authorization": `Bearer ${token}`,
+  },
+});
+
+const vehiclesAPI = {
+  getVehicles: async (search, token) => {
+    return axios.get(`${API_ENDPOINT}/vehicles`, getOptions(token));
+  },
+  addVehicle: async (vehicle, token) => {
+    return axios.post(`${API_ENDPOINT}/vehicle`, vehicle, getOptions(token));
+  } 
+};
+
+export default vehiclesAPI;