Fix statusBarItem.remoteBackground not changing with accent color (#475)

* Update README.md

* Bump acorn from 6.3.0 to 6.4.1 (#464)

Bumps [acorn](https://github.com/acornjs/acorn) from 6.3.0 to 6.4.1.
- [Release notes](https://github.com/acornjs/acorn/releases)
- [Commits](https://github.com/acornjs/acorn/compare/6.3.0...6.4.1)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Fix statusBarItem.remoteBackground not changing with accent color

Co-authored-by: Mattia Astorino <astorino.mattia@gmail.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

material-theme.config.json

@@ -105,6 +105,10 @@
     "selection.background": {
       "alpha": 40,
       "value": null
+    },
+    "statusBarItem.remoteBackground": {
+      "alpha": 100,
+      "value": null
     }
   }
 }