Adding Contributor Badge page at the docs (#2491)

## Motivation for the change, related issues

This pull request includes the requirements to earn a Contributor and a
Team badge for the Playground. The page aims to explain the process for
requesting the Playground contributor badge and provides a useful link
for this purpose.

The requirements to earn a badge are:

- **Playground Code:** Making code changes and reviewing the core
project.
- **Playground UI:** Improving the user interface of the web experience.
-   **Documentation:** Writing, updating, and reviewing documentation.
-   **Translation:** Translating any part of the project.
- **Blueprints Gallery:** Creating new blueprints or improving existing
ones.


### Page screenshot


![contributor-page](https://github.com/user-attachments/assets/3cfa4b79-da55-463a-b0aa-e4348a561e1e)

Author: fellyph

packages/docs/site/docs/main/contributing/contributor-badge.md

@@ -0,0 +1,46 @@
+---
+title: Playground Contributor Badge
+slug: /contributing/contributor-badge
+description: Find out the criteria for the WordPress Playground Contributor Badge and how to request it for your WordPress.org profile.
+---
+
+# Playground Contributor Badge
+
+This page provides detailed information on the Playground Contributor Badge and the process of requesting it on your [WordPress.org](https://wordpress.org) profile.
+
+---
+
+## Getting Started
+
+Any contribution to the WordPress Playground project is highly valued. The Playground team recognizes contributions across several key areas:
+
+-   **Playground Code:** Making code changes and reviewing the core project.
+-   **Playground UI:** Improving the user interface of the web experience.
+-   **Documentation:** Writing, updating, and reviewing documentation.
+-   **Translation:** Translating any part of the project.
+-   **Blueprints Gallery:** Creating new blueprints or improving existing ones.
+
+## Playground Contributor Badge
+
+To get a Playground Contributor Badge, you must have made at least one eligible contribution from the list above. The team may choose to award the badge for other contributions or a combination of the above at the team’s discretion.
+
+![Playground Contributor Dadge](@site/static/img/contributing/playground-contributor-badge.webp)
+
+## Playground Team Badge
+
+If you are currently a contributor and have been actively involved in the Playground project for the past **twelve months**, you are eligible for a **Playground Team Badge**.
+
+![Playground Contributor Dadge](@site/static/img/contributing/playground-team-badge.webp)
+
+## Requesting a Profile Badge
+
+If you meet the criteria, you can request a badge. Please include links to resources (such as GitHub pull requests, issues, or translated strings) that show you have met the criteria. Send a request at the links bellow:
+
+-   [Contributor Badge](https://profiles.wordpress.org/associations/playground-contributor/)
+-   [Team Badge](https://profiles.wordpress.org/associations/playground-team/)
+
+### Request form
+
+![Playground Contributor Dadge](@site/static/img/contributing/request-contributor-badge.webp)
+
+To access the request, the user should be logged in with their WordPress.org account and open the Request Membership tab, after submitting the required information. A Playground Team Representative will confirm your contribution and assign the badge. The team will perform a weekly review of contributions and award badges at that time. Updates on new badges awarded will be posted during the Playground Team meeting.

packages/docs/site/sidebars.js

@@ -61,6 +61,7 @@ const sidebars = {
 						'main/contributing/code',
 						'main/contributing/coding-standards',
 						'main/contributing/contributor-day',
+						'main/contributing/contributor-badge',
 						'main/contributing/documentation',
 						'main/contributing/translations',
 					],