feat: complete monorepo structure with frontend and shared resources

- Add complete backend/ directory with full Django application
- Add frontend/ directory with Vite + TypeScript setup ready for Next.js
- Add comprehensive shared/ directory with:
  - Complete documentation and memory-bank archives
  - Media files and avatars (letters, park/ride images)
  - Deployment scripts and automation tools
  - Shared types and utilities
- Add architecture/ directory with migration guides
- Configure pnpm workspace for monorepo development
- Update .gitignore to exclude .django_tailwind_cli/ build artifacts
- Preserve all historical documentation in shared/docs/memory-bank/
- Set up proper structure for full-stack development with shared resources

shared/docs/memory-bank/decisions/park-search-improvements.md

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+# Park Search Implementation Improvements
+
+## Context
+The park search functionality needed to be updated to follow consistent patterns across the application and strictly adhere to the "NO CUSTOM JS" rule. Previously, search functionality was inconsistent and did not fully utilize built-in framework features.
+
+## Decision
+Implemented a unified search pattern that:
+1. Uses only built-in HTMX and Alpine.js features
+2. Matches location search pattern
+3. Removes any custom JavaScript files
+4. Maintains consistency across the application
+
+### Benefits
+1. **Simplified Architecture:**
+   - No custom JavaScript files needed
+   - Direct template-based implementation
+   - Reduced maintenance burden
+   - Smaller codebase
+
+2. **Framework Alignment:**
+   - Uses HTMX for AJAX requests
+   - Uses Alpine.js for state management
+   - All functionality in templates
+   - Follows project patterns
+
+3. **Better Maintainability:**
+   - Single source of truth in templates
+   - Reduced complexity
+   - Easier to understand
+   - Consistent with other features
+
+## Implementation Details
+
+### Template Features
+1. HTMX Integration:
+   - Debounced search requests (300ms)
+   - Loading indicators
+   - JSON response handling
+
+2. Alpine.js Usage:
+   - State management in template
+   - Event handling
+   - UI updates
+   - Keyboard interactions
+
+### Backend Changes
+1. JSON API:
+   - Consistent response format
+   - Type validation
+   - Limited results (8 items)
+   - Performance optimization
+
+2. View Updates:
+   - Search filtering
+   - Result formatting
+   - Error handling
+   - State preservation
+
+## Benefits
+1. Better adherence to project standards
+2. Simplified codebase
+3. Reduced technical debt
+4. Easier maintenance
+5. Consistent user experience
+
+## Testing
+1. API response format
+2. Empty search handling
+3. Field validation
+4. UI interactions
+5. State management