Merge branch 'docs-ssot-pages' into 'master'

Docs: ssot epic - Pages

Closes #58178 and #61517

See merge request gitlab-org/gitlab-ce!29144

doc/user/project/pages/getting_started_part_four.md

 ---
-last_updated: 2018-02-16
-author: Marcia Ramos
-author_gitlab: marcia
-level: intermediate
-article_type: user guide
-date: 2017-02-22
+last_updated: 2019-06-04
+type: reference, howto
 ---
 
 # Creating and Tweaking GitLab CI/CD for GitLab Pages

doc/user/project/pages/getting_started_part_one.md

 ---
-last_updated: 2018-02-16
+last_updated: 2018-06-04
+type: concepts, reference
 ---
 
 # Static sites and GitLab Pages domains

doc/user/project/pages/getting_started_part_three.md

 ---
-last_updated: 2018-11-19
-author: Marcia Ramos
-author_gitlab: marcia
-level: beginner
-article_type: user guide
-date: 2017-02-22
+last_updated: 2019-06-04
+type: concepts, reference, howto
 ---
 
 # GitLab Pages custom domains and SSL/TLS Certificates

doc/user/project/pages/getting_started_part_two.md

 ---
-last_updated: 2019-03-05
-author: Marcia Ramos
-author_gitlab: marcia
-level: beginner
-article_type: user guide
-date: 2017-02-22
+last_updated: 2019-06-04
+type: reference, howto
 ---
 
 # Projects for GitLab Pages and URL structure
@@ -13,11 +9,11 @@ date: 2017-02-22
 
 To get started with GitLab Pages, you need:
 
-1. A project
-1. A configuration file (`.gitlab-ci.yml`) to deploy your site
+1. A project, thus a repository to hold your website's codebase.
+1. A configuration file (`.gitlab-ci.yml`) to deploy your site.
 1. A specific `job` called `pages` in the configuration file
-   that will make GitLab aware that you are deploying a GitLab Pages website
-1. A `public` directory with the content of the website
+   that will make GitLab aware that you are deploying a GitLab Pages website.
+1. A `public` directory with the static content of the website.
 
 Optional Features:
 
@@ -140,7 +136,7 @@ where you'll find its default URL.
   repository to you local computer and moving your site files into it,
   you can run `git init` in your local website directory, add the
   remote URL: `git remote add origin git@gitlab.com:namespace/project-name.git`,
-  then add, commit, and push.
+  then add, commit, and push to GitLab.
 
 ## URLs and Baseurls
 
@@ -173,4 +169,4 @@ baseurl: ""
 ## Custom Domains
 
 GitLab Pages supports custom domains and subdomains, served under HTTP or HTTPS.
-Please check the [next part](getting_started_part_three.md) of this series for an overview.
+See [GitLab Pages custom domains and SSL/TLS Certificates](getting_started_part_three.md) for more information.

doc/user/project/pages/index.md

 ---
 description: 'Learn how to use GitLab Pages to deploy a static website at no additional cost.'
-last_updated: 2019-03-05
+last_updated: 2019-06-04
+type: index, reference
 ---
 
 # GitLab Pages
@@ -140,7 +141,7 @@ To learn more about configuration options for GitLab Pages, read the following:
 | [Static websites and Pages domains](getting_started_part_one.md) | Understand what is a static website, and how GitLab Pages default domains work. |
 | [Projects and URL structure](getting_started_part_two.md) | Forking projects and creating new ones from scratch, understanding URLs structure and baseurls. |
 | [GitLab CI/CD for GitLab Pages](getting_started_part_four.md) | Understand how to create your own `.gitlab-ci.yml` for your site. |
-| [Exploring GitLab Pages](introduction.md) | Technical aspects, specific configuration options, custom 404 pages, limitations. |
+| [Exploring GitLab Pages](introduction.md) | Requirements, technical aspects, specific GitLab CI's configuration options, custom 404 pages, limitations, FAQ. |
 |---+---|
 | [Custom domains and SSL/TLS Certificates](getting_started_part_three.md) | How to add custom domains and subdomains to your website, configure DNS records and SSL/TLS certificates. |
 | [CloudFlare certificates](https://about.gitlab.com/2017/02/07/setting-up-gitlab-pages-with-cloudflare-certificates/) | Secure your Pages site with CloudFlare certificates. |

doc/user/project/pages/lets_encrypt_for_gitlab_pages.md

 ---
 description: "How to secure GitLab Pages websites with Let's Encrypt."
+type: howto
+last_updated: 2019-06-04
 ---
 
 # Let's Encrypt for GitLab Pages