Create user documentation and guides

[TonsOfFun]

Description

Write comprehensive documentation for ActivePrompt users and developers.

User Documentation

• Getting Started guide
• Installation instructions
• Configuration options
• Agent creation tutorial
• Tool configuration guide
• Monitoring setup

Developer Documentation

• API reference
• Model documentation
• Controller documentation
• JavaScript/Stimulus reference
• Instrumentation events
• Extension points

Examples

• Sample agent configurations
• Tool schema examples
• Alert rule templates
• Dashboard configurations
• Integration examples

README Updates

• Feature overview
• Screenshots
• Quick start
• Contributing guidelines
• License information

Acceptance Criteria

• Documentation is complete
• Examples work
• Screenshots are current
• Accessible to beginners