Prepare docs for v5.getbootstrap.com

* use v5.getbootstrap.com as the site URL/CNAME
* block robots from crawling
* specify next npm tag

site/content/docs/5.0/getting-started/download.md

@@ -58,7 +58,7 @@ Pull in Bootstrap's **source files** into nearly any project with some of the mo
 Install Bootstrap in your Node.js powered apps with [the npm package](https://www.npmjs.com/package/bootstrap):
 
 {{< highlight sh >}}
-npm install bootstrap
+npm install bootstrap@next
 {{< /highlight >}}
 
 `const bootstrap = require('bootstrap')` or `import bootstrap from 'bootstrap'` will load all of Bootstrap's plugins onto a `bootstrap` object.

site/data/docs-versions.yml

@@ -46,7 +46,7 @@
     - v: "4.5"
 
 - group: v5.x
-  baseurl: "https://getbootstrap.com/docs"
+  baseurl: "https://v5.getbootstrap.com/docs"
   description: "Current major release. Last update was v5.0.0-alpha1."
   versions:
     - v: "5.0"

site/layouts/robots.txt

@@ -1,8 +1,6 @@
 # www.robotstxt.org
 
-{{- $isProduction := eq hugo.Environment "production" -}}
-{{- $isNetlify := eq (getenv "NETLIFY") "true" -}}
-{{- $allowCrawling := and (not $isNetlify) $isProduction -}}
+{{- $allowCrawling := false -}}
 
 {{ if $allowCrawling }}
 # Allow crawling of all content

site/static/CNAME

@@ -1 +1 @@
-getbootstrap.com
+v5.getbootstrap.com