Update readme.md

[pbrocks]

Only README.md is affected.

Description of the Change

Add information about Playground and containerizing paragraphs. The thought here is that providing heading should provide links as well as making lifting sections easier down the line, e.g. the Pilot Program.

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Pilot Program

We propose a pilot program to test GatherPress, a community-developed plugin, within interested and active WordPress meetup groups. This initiative stems from our community’s need for an innovative event management tool tailored to the unique demands of WordPress event organizers and participants.
@Patricia BT in January 2024 on make.wordpress.org

Community-built

This project is the result of a collaborative effort to build a compelling event management application using open source tools such as WordPress and BuddyPress and with the grit, sweat, and love of the community, for the community. We encourage all interested, whether a user, community member, or developer, to follow our emerging presence on our GatherPress Blog, our Github repositories, our GatherPress Documentation, or new features on our GatherPress Playground.

Playground Environment

The GatherPress Playground allows you to test the current state of GatherPress with existing data in a fully-functional environment.

![GatherPress Playground screenshot]](https://github.com/user-attachments/assets/764ef43b-65fa-48c0-b811-9472014e35a7)

The playground is built on the WordPress Playground with customizable json data that you can customize as you like. To get started, click the link above, or delve deeper by:

• Enabling the “Live Preview” on WordPress.org plugins page
• Instantly previewing changes from a commented Playground-link on each PR
• Automatically generating multilingual screenshots for WordPress.org plugins
• Run end-to-end tests (still a PR)
• Curating and maintaining your own set of demo-data, which is reusable in all WP Playgrounds.

For an introduction as to what we are creating and the specific features needed to host events and gather well, please view the introductory video.

https://www.youtube.com/watch?v=BnYS36C5d38&t=2s

Features

...

[what-the-diff]

PR Summary

• Addition of 'Pilot Program' and 'Community-built' sections
  Impressive sections have been added. These list our pilot programs and community-built projects, allowing users to connect with our work at a community level.

• Addition of 'Playground Environment' section
  A new section introducing our 'playground', a space to play around and experiment with features, has been added. It provides comprehensive instructions and illustrative images as guides.

• Addition of Introductory Video
  An engaging video introduction has been added for a quick understanding of our platform.

• Addition of 'Features', 'Settings', and 'Venues' sections
  A rundown of our platform's unique features, customizable settings, and accessible venues can now be found in these newly introduced sections.

• Updates in 'Changelog' section
  Our 'Changelog' section has been updated twice to ensure direct and easy access to our complete changelog and upgrade notices.

• Addition of GatherPress compatibility details
  A helpful section regarding the compatibility of GatherPress with WordPress Multisite has been included.

• Added reference to GatherPress version 1.0.0 release notes
  A direct link has been added for users to access the release notes of GatherPress version 1.0.0 efficiently.

[patriciabt]

Nice thanks a lot. See #805 as well

Additionally, I would also like this modified:
[@Patricia BT](https://profiles.wordpress.org/patricia70/) in January 2024 on [make.wordpress.org](https://make.wordpress.org/community/2024/01/22/proposal-pilot-program-to-test-gatherpress-on-the-wordpress-org-network-as-a-meetup-alternative/)
to
Our proposal in January 2024 on [make.wordpress.org](https://make.wordpress.org/community/2024/01/22/proposal-pilot-program-to-test-gatherpress-on-the-wordpress-org-network-as-a-meetup-alternative/)

[pbrocks]

Nice thanks a lot. See #805 as well

Additionally, I would also like this modified: [@Patricia BT](https://profiles.wordpress.org/patricia70/) in January 2024 on [make.wordpress.org](https://make.wordpress.org/community/2024/01/22/proposal-pilot-program-to-test-gatherpress-on-the-wordpress-org-network-as-a-meetup-alternative/) to Our proposal in January 2024 on [make.wordpress.org](https://make.wordpress.org/community/2024/01/22/proposal-pilot-program-to-test-gatherpress-on-the-wordpress-org-network-as-a-meetup-alternative/)

Updated this