Simplify frontend

Just a login form and a list of applications. No modals or anything like
that.

scripts/code-server.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+# code-server.sh -- Run code-server with the bundled Node binary.
+
+main() {
+  cd "$(dirname "$0")" || exit 1
+  ./node ./out/node/entry.js "$@"
+}
+
+main "$@"