Update script/README

Author: cmlccie

script/README.md

@@ -11,6 +11,7 @@
 | [`script/test`](#scripttest) | Run the project's test suite |
 | [`script/build`](#scriptbuild) | Build the project's product(s) |
 | [`script/ci`](#scriptci) | Continuous integration script |
+| [`script/ci-bootstrap`](#scriptcibootstrap) | CI bootstrap script |
 | [`script/server`](#scriptserver) | Control project servers and services |
 | [`script/console`](#scriptconsole) | Access the project's console |
 
@@ -49,6 +50,10 @@ This script implements `--lint` and `--test` command line options to enable you
 
 [`script/ci`][ci] Continuous integration script.
 
+### script/ci-bootstrap
+
+[`script/ci-bootstrap`][ci-bootstrap] Prepare the CI environment.
+
 ### script/console
 
 [`script/console`][console] Open a console for the project.
@@ -66,4 +71,5 @@ The GitHub Engineering Team: [Scripts to Rule Them All](https://githubengineerin
 [test]: test
 [build]: build
 [ci]: ci
+[ci-bootstrap]: ci-bootstrap
 [console]: console