Woo AI - Add a changelog.txt file for automation.

[tommyshellberg]

As part of this issue: #40894 we will add a changelog.txt file for WooRelease to be able to parse and generate the plugin changelog.txt file. This allows for the version to be automatically bumped using WooRelease. We will no longer need to manually update the plugin header files, the composer.json file, or the package.json file. However, in order for these files to be updated, we have to also have a changelog.txt file. We will deal with the CHANGELOG.md file in a different PR. Once the WooRelease plugin can generate the changelog.txt file, we can delete the CHANGELOG.md file and the automation in place that generates it.

Changes proposed in this Pull Request:

Add a changelog.txt file that satisfies the requirements needed for WooRelease to parse and modify it.

An example you can compare with:

https://github.com/woocommerce/woocommerce/blob/trunk/plugins/woocommerce-beta-tester/changelog.txt

And another:

https://github.com/woocommerce/woocommerce-bookings/blob/trunk/changelog.txt

Changelog entry

• Automatically create a changelog entry from the details below.

Significance

• Patch
• Minor
• Major

Type

• Fix - Fixes an existing bug
• Add - Adds functionality
• Update - Update existing functionality
• Dev - Development related task
• Tweak - A minor adjustment to the codebase
• Performance - Address performance issues
• Enhancement - Improvement to existing functionality

Message

Comment

[github-actions]

Hi , @woocommerce/singularity

Apart from reviewing the code changes, please make sure to review the testing instructions as well.

You can follow this guide to find out what good testing instructions should look like:
https://github.com/woocommerce/woocommerce/wiki/Writing-high-quality-testing-instructions

[github-actions]

Test Results Summary

Commit SHA: 285c53f

Test 🧪	Passed ✅	Failed 🚨	Broken 🚧	Skipped ⏭️	Unknown ❔	Total 📊	Duration ⏱️
API Tests	259	0	0	2	0	261	0m 38s
E2E Tests	215	0	0	4	0	219	11m 9s

---

To view the full API test report, click here.
To view the full E2E test report, click here.
To view all test reports, visit the WooCommerce Test Reports Dashboard.

[nima-karimi]

LGTM. Let's merge this after updating our release process docs and switching over to Woorelease.