CEC-377 Create multi-file updates (#71)

* Replace Deploy Package with Deploy Manifest page
Stub new controls for package files

* Add Release notes and ECU FIles to Create Manifest

* Add Release notes and ECU FIles to Create Manifest

* Oops

* Replace multi release notes with single url

* Implement multiple file uploads and progress

* Update snapshots

* Unused import

* Move file to end of form
Update progress layout

src/components/useStyles.jsx

@@ -174,7 +174,7 @@ const useStyles = makeStyles((theme) => ({
     paddingTop: "56.25%",
   },
   closeButton: {
-    position: 'absolute',
+    position: "absolute",
     right: theme.spacing(1),
     top: theme.spacing(1),
     color: theme.palette.grey[500],
@@ -198,6 +198,10 @@ const useStyles = makeStyles((theme) => ({
     },
     paddingBottom: "2vh",
   },
+  toolbarFooter: {
+    width: "100%",
+    textAlign: "right",
+  },
 }));
 
 export default useStyles;