CEC-231 Bulk car selection control (#38)

* Bulk car selection control

* Tweak control alignment

.vscode/launch.json

@@ -0,0 +1,30 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "pwa-node",
+      "request": "launch",
+      "name": "Launch Program",
+      "skipFiles": [
+        "<node_internals>/**"
+      ],
+      "program": "${file}"
+    },
+    {
+      "name": "Debug CRA Tests",
+      "type": "node",
+      "request": "launch",
+      "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/react-scripts",
+      "args": ["test", "--runInBand", "--no-cache", "--watchAll=false"],
+      "cwd": "${workspaceRoot}",
+      "protocol": "inspector",
+      "console": "integratedTerminal",
+      "internalConsoleOptions": "neverOpen",
+      "env": { "CI": "true" },
+      "disableOptimisticBPs": true
+    }
+  ]
+}