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/__mocks__/vehicles.js

@@ -0,0 +1,17 @@
+
+const data = [
+  { vin: "3C4PDCBG0ET127145" },
+  { vin: "1G1FP87S3GN100062" },
+  { vin: "1HGCG325XYA062256" },
+  { vin: "1J4GZ78YXWC160024" },
+  { vin: "2C3CCAAG8CH222800" },
+  { vin: "KNADM4A39C6028108" },
+  { vin: "1G11C5SL9FF153507" },
+];
+
+const vehiclesAPI = {
+  getVehicles: async (search, token) => { return { data: { data } }; },
+  addVehicle: async (vehicle, token) => { data.push(vehicle); },
+};
+
+export default vehiclesAPI;