feat: Add comprehensive documentation suite and reorganize project structure

- Created complete documentation in docs/ directory
- Added PROJECT_OVERVIEW.md with feature highlights and getting started guide
- Added ARCHITECTURE.md with system design and technical details
- Added SECURITY.md with comprehensive security implementation guide
- Added DEVELOPMENT.md with development workflows and best practices
- Added DEPLOYMENT.md with production deployment instructions
- Added API.md with complete REST API documentation
- Added CONTRIBUTING.md with contribution guidelines
- Added CHANGELOG.md with version history and migration notes
- Reorganized all documentation files into docs/ directory for better organization
- Updated README.md with proper documentation links and quick navigation
- Enhanced project structure with professional documentation standards

db_data/sys/version.frm

@@ -0,0 +1,16 @@
+TYPE=VIEW
+query=select \'1.5.1\' AS `sys_version`,version() AS `mysql_version`
+md5=91a844b992f5531ded209bb44c10bae7
+updatable=0
+algorithm=0
+definer_user=mariadb.sys
+definer_host=localhost
+suid=0
+with_check_option=0
+timestamp=0001760433309155916
+create-version=2
+source=SELECT \'1.5.1\' AS sys_version,\n        version() AS mysql_version;
+client_cs_name=utf8mb3
+connection_cl_name=utf8mb3_general_ci
+view_body_utf8=select \'1.5.1\' AS `sys_version`,version() AS `mysql_version`
+mariadb-version=100623