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/components/useStyles.jsx

@@ -202,6 +202,35 @@ const useStyles = makeStyles((theme) => ({
     width: "100%",
     textAlign: "right",
   },
+  breadcrumbs: {
+    fontSize: "8px",
+  },
+  addButton: {
+    fontSize: "large",
+    position: "relative",
+    top: 100,
+    left: 100,
+  },
+  batteryGrid: {},
+  batteryForm: {
+    alignItems: "stretch",
+    flexDirection: "column",
+  },
+  grafanaContainer: {
+    alignContent: "stretch",
+    alignItems: "center",
+    display: "flex",
+    flexDirection: "column",
+    justifyContent: "center",
+    padding: 15,
+    paddingBottom: 20,
+  },
+  datascopeContainerText: {
+    margin: 0,
+  },
+  datascopeContainerValue: {
+    margin: 0,
+  },
 }));
 
 export default useStyles;