add the "special format" to the only guide we already have in the docs

doc/user/project/pages/getting_started_part_four.md

 # GitLab Pages from A to Z: Part 4
 
+> **Type**: user guide || 
+> **Level**: intermediate || 
+> **Author**: [Marcia Ramos](https://gitlab.com/marcia)
+
 - [Part 1: Static sites and GitLab Pages domains](getting_started_part_one.md)
 - [Part 2: Quick start guide - Setting up GitLab Pages](getting_started_part_two.md)
 - [Part 3: Setting Up Custom Domains - DNS Records and SSL/TLS Certificates](getting_started_part_three.md)

doc/user/project/pages/getting_started_part_one.md

 # GitLab Pages from A to Z: Part 1
 
+> **Type**: user guide || 
+> **Level**: beginner || 
+> **Author**: [Marcia Ramos](https://gitlab.com/marcia)
+
 - **Part 1: Static sites and GitLab Pages domains**
 - [Part 2: Quick start guide - Setting up GitLab Pages](getting_started_part_two.md)
 - [Part 3: Setting Up Custom Domains - DNS Records and SSL/TLS Certificates](getting_started_part_three.md)

doc/user/project/pages/getting_started_part_three.md

 # GitLab Pages from A to Z: Part 3
 
+> **Type**: user guide || 
+> **Level**: beginner || 
+> **Author**: [Marcia Ramos](https://gitlab.com/marcia)
+
 - [Part 1: Static sites and GitLab Pages domains](getting_started_part_one.md)
 - [Part 2: Quick start guide - Setting up GitLab Pages](getting_started_part_two.md)
 - **Part 3: Setting Up Custom Domains - DNS Records and SSL/TLS Certificates**

doc/user/project/pages/getting_started_part_two.md

 # GitLab Pages from A to Z: Part 2
 
+> **Type**: user guide || 
+> **Level**: beginner || 
+> **Author**: [Marcia Ramos](https://gitlab.com/marcia)
+
 - [Part 1: Static sites and GitLab Pages domains](getting_started_part_one.md)
 - **Part 2: Quick start guide - Setting up GitLab Pages**
 - [Part 3: Setting Up Custom Domains - DNS Records and SSL/TLS Certificates](getting_started_part_three.md)