feat: add Pa11y accessibility testing + migrate GitHub refs to Gitea

- Add Pa11y CI config template (templates/configs/pa11yci.json)
- Replace all github.com/mokoconsulting-tech with git.mokoconsulting.tech/MokoConsulting
- Update .moko-standards governance file

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

README.md

@@ -7,7 +7,7 @@
  # FILE INFORMATION
  DEFGROUP: Joomla.Template.Site
  INGROUP: MokoCassiopeia.Documentation
- REPO: https://github.com/mokoconsulting-tech/MokoCassiopeia
+ REPO: https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia
  FILE: ./README.md
  VERSION: 03.09.14
  BRIEF: Documentation for MokoCassiopeia template
@@ -17,7 +17,7 @@
 
 **A Modern, Lightweight Joomla Template Based on Cassiopeia**
 
-[![Version](https://img.shields.io/badge/version-03.09.07-blue.svg?logo=v&logoColor=white)](https://github.com/mokoconsulting-tech/MokoCassiopeia/releases/tag/v03)
+[![Version](https://img.shields.io/badge/version-03.09.07-blue.svg?logo=v&logoColor=white)](https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia/releases/tag/v03)
 [![License](https://img.shields.io/badge/license-GPL--3.0--or--later-green.svg?logo=gnu&logoColor=white)](LICENSE)
 [![Joomla](https://img.shields.io/badge/Joomla-5.x%20%7C%206.x-red.svg?logo=joomla&logoColor=white)](https://www.joomla.org)
 [![PHP](https://img.shields.io/badge/PHP-8.1%2B-777BB4.svg?logo=php&logoColor=white)](https://www.php.net)
@@ -101,7 +101,7 @@ MokoCassiopeia is a modern, lightweight enhancement layer built on top of Joomla
 
 ### Via Joomla Extension Manager
 
-1. Download the latest `mokocassiopeia-{version}.zip` from [Releases](https://github.com/mokoconsulting-tech/MokoCassiopeia/releases)
+1. Download the latest `mokocassiopeia-{version}.zip` from [Releases](https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia/releases)
 2. In Joomla admin, navigate to **System → Install → Extensions**
 3. Upload the ZIP file and click **Upload & Install**
 4. Navigate to **System → Site Templates**
@@ -110,7 +110,7 @@ MokoCassiopeia is a modern, lightweight enhancement layer built on top of Joomla
 ### Via Git (Development)
 
 ```bash
-git clone https://github.com/mokoconsulting-tech/MokoCassiopeia.git
+git clone https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia.git
 cd MokoCassiopeia
 ```
 
@@ -311,7 +311,7 @@ When enabled, the template adds:
 
 ```bash
 # Clone repository
-git clone https://github.com/mokoconsulting-tech/MokoCassiopeia.git
+git clone https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia.git
 cd MokoCassiopeia
 
 # Install development dependencies (if using Composer)
@@ -371,8 +371,8 @@ See the [CHANGELOG.md](./CHANGELOG.md) for detailed version history.
 ### Getting Help
 
 - **Documentation**: Check this README and [docs folder](./docs/)
-- **Issues**: Report bugs via [GitHub Issues](https://github.com/mokoconsulting-tech/MokoCassiopeia/issues)
-- **Discussions**: Ask questions in [GitHub Discussions](https://github.com/mokoconsulting-tech/MokoCassiopeia/discussions)
+- **Issues**: Report bugs via [GitHub Issues](https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia/issues)
+- **Discussions**: Ask questions in [GitHub Discussions](https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia/discussions)
 - **Roadmap**: View planned features in [Roadmap](https://mokoconsulting.tech/support/joomla-cms/mokocassiopeia-roadmap)
 
 ### Reporting Bugs
@@ -487,9 +487,9 @@ All third-party libraries and assets remain the property of their respective aut
 
 ## 🔗 Links
 
-- **Repository**: [GitHub](https://github.com/mokoconsulting-tech/MokoCassiopeia)
-- **Issue Tracker**: [GitHub Issues](https://github.com/mokoconsulting-tech/MokoCassiopeia/issues)
-- **Discussions**: [GitHub Discussions](https://github.com/mokoconsulting-tech/MokoCassiopeia/discussions)
+- **Repository**: [GitHub](https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia)
+- **Issue Tracker**: [GitHub Issues](https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia/issues)
+- **Discussions**: [GitHub Discussions](https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia/discussions)
 - **Roadmap**: [Full Roadmap](https://mokoconsulting.tech/support/joomla-cms/mokocassiopeia-roadmap)
 - **Moko Consulting**: [Website](https://mokoconsulting.tech)
 
@@ -499,7 +499,7 @@ All third-party libraries and assets remain the property of their respective aut
 
 - **Maintainer**: Moko Consulting Engineering
 - **Author**: Jonathan Miller (@jmiller-moko)
-- **Repository**: https://github.com/mokoconsulting-tech/MokoCassiopeia
+- **Repository**: https://git.mokoconsulting.tech/MokoConsulting/MokoCassiopeia
 - **License**: GPL-3.0-or-later
 - **Classification**: Public Open Source Standards