Reorganize app pages (#73)

* Update layout and menus

* Add breadcrumbs
Add menu icons
Add ECU drop down

* Implement submenu
Update download progress

* revamped dashboard section - failing app.test.js

* Clean up

Co-authored-by: Drew Taylor <dtaylor@fiskerinc.com>

src/services/__mocks__/grafana.js

@@ -0,0 +1,19 @@
+const grafanaAPI = {
+    getCarsCount: async () => fetch(`${API_ENDPOINT}/?query=SELECT%20countDistinct(vin)%20as%20count%0AFROM%20default.vehicle_data%20FORMAT%20JSON`, {
+        method: "GET",
+        headers: Object.assign({ "Content-Type": "application/json" }),
+    })
+        .then(fetchRespHandler)
+        .then(result => result.data[0].count)
+        .catch(error => console.log(error)),
+
+    getSignalsCount: async () => fetch(`${API_ENDPOINT}/?query=SELECT%20count()%20as%20count%0AFROM%20default.vehicle_signal%20FORMAT%20JSON`, {
+        method: "GET",
+        headers: Object.assign({ "Content-Type": "application/json" }),
+    })
+        .then(fetchRespHandler)
+        .then(result => result.data[0].count)
+        .catch(error => console.log(error)),
+};
+
+export default vehiclesAPI;

src/services/grafana.js

@@ -0,0 +1,6 @@
+const grafanaAPI = {
+    getCarsCount: async () => 500,
+    getSignalsCount: async () => 1234567890,
+};
+
+export default grafanaAPI;