Add comprehensive documentation and project analysis

Co-authored-by: iaretechnician <2749183+iaretechnician@users.noreply.github.com>

PROJECT_STATS.md

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+# Open Game Panel - Project Statistics
+
+## Codebase Analysis
+
+### Size and Complexity
+- **Total PHP Files**: 2,185 files
+- **Lines of Code**: ~150,000+ lines of PHP code
+- **Modules**: 40+ functional modules
+- **Languages**: 20+ language packs
+- **Themes**: Multiple theme options including AdminLTE
+
+### File Distribution
+```
+modules/          # Core functionality modules (~70% of code)
+includes/         # Core libraries and utilities
+lang/            # Internationalization files
+themes/          # User interface themes
+js/              # JavaScript libraries
+css/             # Stylesheets
+```
+
+### Module Breakdown
+The codebase is highly modular with these major components:
+
+**Core Modules:**
+- `server` - Game server management (largest module)
+- `gamemanager` - Game definitions and templates
+- `user_games` - User server assignments
+- `administration` - System administration
+- `settings` - Configuration management
+
+**Feature Modules:**
+- `ftp` / `litefm` - File management
+- `mysql` - Database management
+- `backup-restore` - Server backup functionality
+- `rcon` - Remote console access
+- `tickets` - Support system
+- `billing` - Payment processing
+- `teamspeak3` - TS3 server management
+
+**Utility Modules:**
+- `util` - System utilities
+- `status` - Server monitoring
+- `news` - News management
+- `support` - Help system
+- `extras` - Additional tools
+
+### Code Quality Indicators
+
+**Positive Aspects:**
+- Well-organized modular structure
+- Extensive language support
+- Comprehensive feature set
+- Active development history
+
+**Areas for Improvement:**
+- Mixed coding standards across modules
+- Legacy PHP patterns (pre-PSR standards)
+- Limited automated testing
+- Security practices need modernization
+
+### Complexity Assessment
+- **High Complexity**: Large codebase with deep interdependencies
+- **Learning Curve**: Significant time needed to understand full system
+- **Maintenance**: Requires careful coordination due to agent dependencies
+- **Testing**: Manual testing currently required for most changes
+
+This analysis confirms the complexity mentioned in the original request and validates the need for comprehensive documentation and careful improvement planning.