Add comprehensive documentation for the project

[ghstrider]

Documentation Request

Description

Create comprehensive documentation covering all aspects of the Oneline Chat application, including user guides, API documentation, deployment instructions, and developer documentation.

Documentation Needed

1. User Documentation

• Getting Started Guide

  • Installation instructions
  • Initial setup and configuration
  • First chat walkthrough

• User Guide

  • How to use chat features
  • Managing chat history
  • Sharing chats
  • Authentication and profile management
  • Keyboard shortcuts
  • Tips and best practices

• FAQ Section

  • Common issues and solutions
  • Troubleshooting guide

2. API Documentation

• REST API Reference

  • Complete endpoint documentation
  • Request/response examples
  • Authentication details
  • Error codes and handling
  • Rate limiting information

• WebSocket Documentation

  • Streaming endpoints
  • Event types and payloads
  • Connection management

• OpenAPI/Swagger Specification

  • Interactive API documentation
  • Auto-generated from code

3. Developer Documentation

• Architecture Overview

  • System design and components
  • Data flow diagrams
  • Database schema documentation
  • Technology stack explanation

• Development Setup

  • Local development environment
  • Development tools and workflows
  • Testing procedures
  • Code style guidelines

• Contributing Guide

  • How to contribute
  • Pull request process
  • Code review guidelines
  • Issue reporting guidelines

4. Deployment Documentation

• Self-Hosting Guide

  • System requirements
  • Step-by-step deployment
  • Environment variables
  • Database setup
  • SSL/TLS configuration

• Cloud Deployment Guides

  • Docker deployment
  • Kubernetes deployment
  • Cloud provider specific guides

• Configuration Reference

  • All configuration options
  • Environment variables
  • Security best practices
  • Performance tuning

5. Additional Documentation

• Security Documentation

  • Security features
  • Best practices
  • Vulnerability reporting

• Migration Guides

  • Database migrations
  • Version upgrade guides
  • Breaking changes documentation

• Changelog

  • Version history
  • Release notes

Documentation Formats

• Markdown files in /docs directory
• README improvements
• In-code documentation (docstrings)
• GitHub Wiki
• Generated documentation site (MkDocs/Docusaurus)

Priority

High

Benefits

• Improved user onboarding
• Reduced support burden
• Better contributor experience
• Professional project presentation
• Easier maintenance and debugging

Labels

documentation, good-first-issue, help-wanted