feat: feat: add comprehensive documentation for Neovim configuration project

Signed-off-by: juliano.barbosa <julianomb@gmail.com>

memory-bank/systemPatterns.md

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+# System Architecture & Patterns
+
+## Core Architecture
+- Plugin management via lazy.nvim
+- LSP-based intellisense and code navigation
+- Event-driven configuration loading
+- Modular plugin configuration
+- Enhanced mode state management system
+
+## Key Design Patterns
+
+1. Mode Management
+   - Advanced state persistence
+   - Event-driven mode transitions
+   - Mode-specific context preservation
+   - Pre/post mode change hooks
+   - Mode validation system
+   - Mode-specific settings store
+
+2. Event System
+   - Hierarchical event handling
+   - Event queueing mechanism
+   - Async event processing
+   - Event prioritization
+   - Mode-specific event handlers
+
+3. Persistence Layer
+   - Versioned state storage
+   - State migration system
+   - Corruption detection
+   - Fallback mechanisms
+   - Incremental state updates
+
+4. Integration Patterns
+   - Mode-aware plugin system
+   - LSP integration with mode context
+   - Buffer grouping by mode
+   - Window layout persistence
+   - Mode-specific UI elements
+
+5. Configuration Patterns
+   - Centralized keybinding management
+   - Plugin-specific configuration in separate modules
+   - Default options set through vim.opt
+   - Autocmd groups for event handling
+   - Mode-specific settings and behaviors
+
+6. LSP Integration
+   - Mason for LSP server management
+   - Uniform LSP configuration across languages
+   - Shared capabilities for completion
+   - Mode-specific language server configurations
+
+7. Component Relationships
+   - Mode Manager ↔ Event System
+   - Event System ↔ Persistence Layer
+   - Mode Manager ↔ Status Line
+   - LSP ↔ Mode Context
+   - Buffer Groups ↔ Mode State
+   - Window Layout ↔ Mode State
+   - Plugins ↔ Mode Context
+
+## Implementation Standards
+- Lua for all configuration
+- Consistent error handling
+- Modular plugin organization
+- Clear separation of concerns
+- Mode-aware functionality
+- State validation
+- Event-driven architecture
+- Robust error recovery
+- Configuration versioning
+- Context preservation