Add comprehensive demo data with articles and VirtueMart sample data

data/demo/articles/community/README.md

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+# Community Website Articles
+
+This directory contains sample articles for community-based websites with forums and user interactions.
+
+## Contents
+
+The `articles.j2xml` file includes:
+
+1. **Community Home** - Community portal welcome
+2. **Community Guidelines** - Rules and expectations
+3. **Getting Started in Our Community** - New member guide
+4. **User Profile Guide** - Setting up profiles
+5. **Forum Rules** - Discussion forum guidelines
+6. **Community Events** - Event listings and info
+7. **Contributor Recognition** - Highlighting members
+8. **Report a Problem** - Issue reporting guide
+
+## Installation
+
+1. Install the **j2xml** component in your Joomla installation
+2. Navigate to: **Components > j2xml > Import**
+3. Select the `articles.j2xml` file
+4. Click **Import**
+5. Review imported articles in **Content > Articles**
+
+## What Gets Imported
+
+- 8 community-focused articles
+- Categories: Community, Guidelines, Events
+- User engagement content
+- Moderation guidelines
+
+## Post-Import Steps
+
+1. **Customize Guidelines**: Adapt rules to your community culture
+2. **Setup Forums**: Link to your forum system (Kunena, EasyDiscuss, etc.)
+3. **Create Event Calendar**: Integrate with event management
+4. **Configure User Profiles**: Setup profile extensions
+5. **Add Social Features**: Enable social sharing and engagement
+
+## Integration Options
+
+Works well with:
+- **Kunena** - Forum component
+- **EasyDiscuss** - Discussion system
+- **Community Builder** - Social network
+- **JomSocial** - Community platform
+- **EventBooking** - Event management
+
+## Community Features
+
+Support for:
+- User profiles
+- Discussion forums
+- Event calendars
+- User blogs
+- Activity streams
+- Member directories
+- Groups and teams
+
+## Article List
+
+| Title | Category | Type | Purpose |
+|-------|----------|------|---------|
+| Welcome to Community | Community | Featured | Landing page |
+| Community Guidelines | Guidelines | Standard | Rules |
+| Getting Started | Help | Standard | Onboarding |
+| Profile Setup | Help | Standard | User guide |
+| Forum Rules | Guidelines | Standard | Forum policy |
+| Community Events | Events | Standard | Event info |
+| Top Contributors | Community | Standard | Recognition |
+| Report Issues | Support | Standard | Reporting |
+
+## Best Practices
+
+- Foster positive community culture
+- Clearly communicate expectations
+- Recognize and reward participation
+- Provide easy reporting mechanisms
+- Regular community engagement
+- Transparent moderation policies
+
+## Customization Tips
+
+- Add local community photos
+- Highlight member achievements
+- Post regular community updates
+- Feature community events
+- Create sub-community sections
+
+## Dependencies
+
+- Joomla 4.x or 5.x
+- j2xml component
+- Forum component (Kunena, EasyDiscuss, etc.)
+- Moko-Cassiopeia template
+
+## Version
+
+Version: 1.0.0
+Last Updated: 2026-01-29
+Compatible with: Joomla 4.x, 5.x