chore: add issue templates from Template-Joomla

.mokogitea/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,48 @@
+---
+name: Bug Report
+about: Report a bug or issue with the project
+title: '[BUG] '
+labels: 'bug'
+assignees: ''
+
+---
+
+
+## Bug Description
+A clear and concise description of what the bug is.
+
+## Steps to Reproduce
+1. Go to '...'
+2. Click on '...'
+3. Scroll down to '...'
+4. See error
+
+## Expected Behavior
+A clear and concise description of what you expected to happen.
+
+## Actual Behavior
+A clear and concise description of what actually happened.
+
+## Screenshots
+If applicable, add screenshots to help explain your problem.
+
+## Environment
+- **Project**: [e.g., MokoDoliTools, moko-cassiopeia]
+- **Version**: [e.g., 1.2.3]
+- **Platform**: [e.g., Dolibarr 18.0, Joomla 5.0]
+- **PHP Version**: [e.g., 8.1]
+- **Database**: [e.g., MySQL 8.0, PostgreSQL 14]
+- **Browser** (if applicable): [e.g., Chrome 120, Firefox 121]
+- **OS**: [e.g., Ubuntu 22.04, Windows 11]
+
+## Additional Context
+Add any other context about the problem here.
+
+## Possible Solution
+If you have suggestions on how to fix the issue, please describe them here.
+
+## Checklist
+- [ ] I have searched for similar issues before creating this one
+- [ ] I have provided all the requested information
+- [ ] I have tested this on the latest stable version
+- [ ] I have checked the documentation and couldn't find a solution