Clean and organize project structure

Major reorganization:
- Created scripts/ directory for all utility scripts
- Created config/ directory for configuration files
- Moved all test files to tests/ directory
- Updated all script paths to work with new structure
- Updated README.md with new project structure diagram

New structure:
├── src/          # Source code (API + MCP)
├── scripts/      # Utility scripts (start-*.sh, docs_server.py, etc.)
├── tests/        # All test files and debug utilities
├── config/       # Configuration files (JSON, Caddy config)
├── docs/         # Documentation website
└── logs/         # Log files

All scripts updated to use relative paths from project root.
Documentation updated with new folder structure.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

README.md

@@ -34,13 +34,13 @@ LangMem uses a hybrid approach combining:
 
 ```bash
 git clone <repository>
-cd langmem-project
+cd langmem
 ```
 
 ### 2. Start Development Environment
 
 ```bash
-./start-dev.sh
+./scripts/start-dev.sh
 ```
 
 This will:
@@ -52,7 +52,7 @@ This will:
 ### 3. Test the API
 
 ```bash
-./test.sh
+./scripts/test.sh
 ```
 
 ## API Endpoints
@@ -139,39 +139,60 @@ NEO4J_PASSWORD=langmem_neo4j_password
 ### Project Structure
 
 ```
-langmem-project/
-├── src/
-│   └── api/
-│       └── main.py          # Main API application
-├── tests/
-│   ├── test_api.py          # API unit tests
-│   ├── test_integration.py  # Integration tests
-│   └── conftest.py          # Test configuration
-├── docker-compose.yml       # Docker services
-├── Dockerfile              # API container
-├── requirements.txt        # Python dependencies
-├── start-dev.sh            # Development startup
-├── test.sh                 # Test runner
-└── README.md               # This file
+langmem/
+├── src/                    # Source code
+│   ├── api/               # FastAPI application
+│   │   ├── main.py        # Main API server
+│   │   ├── fact_extraction.py  # Fact-based memory logic
+│   │   └── memory_manager.py   # Memory management
+│   └── mcp/               # Model Context Protocol
+│       ├── server.py      # MCP server for Claude Code
+│       └── requirements.txt
+├── scripts/               # Utility scripts
+│   ├── start-dev.sh       # Development startup
+│   ├── start-mcp-server.sh # MCP server startup
+│   ├── start-docs-server.sh # Documentation server
+│   ├── docs_server.py     # Authenticated docs server
+│   ├── get-claude-token.py # Matrix setup utility
+│   └── test.sh            # Test runner
+├── tests/                 # Test suite
+│   ├── test_api.py        # API tests
+│   ├── test_integration.py # Integration tests
+│   ├── test_fact_based_memory.py # Fact extraction tests
+│   ├── debug_*.py         # Debug utilities
+│   └── conftest.py        # Test configuration
+├── docs/                  # Documentation website
+│   ├── index.html         # Main documentation
+│   ├── api/               # API documentation
+│   ├── architecture/      # Architecture docs
+│   └── implementation/    # Setup guides
+├── config/                # Configuration files
+│   ├── mcp_config.json    # MCP server config
+│   ├── claude-matrix-config.json # Matrix setup
+│   └── caddyfile-docs-update.txt # Caddy config
+├── docker-compose.yml     # Docker services
+├── Dockerfile            # API container
+├── requirements.txt      # Python dependencies
+└── README.md             # This file
 ```
 
 ### Running Tests
 
 ```bash
 # All tests
-./test.sh all
+./scripts/test.sh all
 
 # Unit tests only
-./test.sh unit
+./scripts/test.sh unit
 
 # Integration tests only
-./test.sh integration
+./scripts/test.sh integration
 
 # Quick tests (no slow tests)
-./test.sh quick
+./scripts/test.sh quick
 
 # With coverage
-./test.sh coverage
+./scripts/test.sh coverage
 ```
 
 ### Local Development
@@ -289,10 +310,10 @@ Start the authenticated documentation server:
 
 ```bash
 # Start documentation server on port 8080 (default)
-./start-docs-server.sh
+./scripts/start-docs-server.sh
 
 # Or specify a custom port
-./start-docs-server.sh 8090
+./scripts/start-docs-server.sh 8090
 ```
 
 **Access Credentials:**
@@ -310,7 +331,7 @@ Start the authenticated documentation server:
 You can also run the documentation server directly:
 
 ```bash
-python3 docs_server.py [port]
+python3 scripts/docs_server.py [port]
 ```
 
 Then visit: `http://localhost:8080` (or your specified port)