docs: move guardian analysis docs to docs folder

CHANGELOG.md

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-# Changelog
-
-All notable changes to this project will be documented in this file.
-
-The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
-and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
-
-## [Unreleased]
-
-## [0.4.0] - 2025-11-24
-
-### Added
-- Dependency direction enforcement - validate that dependencies flow in the correct direction according to Clean Architecture principles
-- Architecture layer violation detection for domain, application, and infrastructure layers
-
-## [0.3.0] - 2025-11-24
-
-### Added
-- Entity exposure detection - identify when domain entities are exposed outside their module boundaries
-- Enhanced architecture violation reporting
-
-## [0.2.0] - 2025-11-24
-
-### Added
-- Framework leak detection - detect when domain layer imports framework code
-- Framework leak reporting in CLI
-- Framework leak examples and documentation
-
-## [0.1.0] - 2025-11-24
-
-### Added
-- Initial monorepo setup with pnpm workspaces
-- `@puaros/guardian` package - code quality guardian for vibe coders and enterprise teams
-- TypeScript with strict type checking and Vitest configuration
-- ESLint strict TypeScript rules with 4-space indentation
-- Prettier code formatting (4 spaces, double quotes, no semicolons)
-- LINTING.md documentation for code style guidelines
-- CLAUDE.md for AI assistant guidance
-- EditorConfig for consistent IDE settings
-- Node.js version specification (.nvmrc: 22.18.0)
-- Vitest testing framework with 80% coverage thresholds
-- Guardian dependencies: commander, simple-git, tree-sitter, uuid
-
-### Configuration
-- TypeScript: nodenext modules, ES2023 target, strict null checks
-- ESLint: Strict type checking, complexity limits, code quality rules
-- Prettier: 100 char line length, double quotes, no semicolons, trailing commas
-- Test coverage: 80% threshold for lines, functions, branches, statements
-
-### Guardian Package
-- Hardcode detection (magic numbers, strings)
-- Circular dependency detection
-- Naming convention enforcement
-- Architecture violation detection
-- CLI tool with `guardian` command
-- 159 tests, all passing
-- Clean Architecture implementation
-
-## [0.0.1] - 2025-11-24
-
-### Added
-- Initial project structure
-- Monorepo workspace configuration