docs: add CHANGELOG.md with release history

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/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [1.3.34] - 2025-03-15
+
+### Fixed
+- Treat WSL exit -1 as immediate reboot signal
+
+## [1.3.33] - 2025-03-14
+
+### Fixed
+- Handle WSL install exit code -1 by verifying actual state
+
+## [1.3.32] - 2025-03-13
+
+### Fixed
+- Create parent directory before writing auth-profiles.json on WSL
+
+## [1.3.31] - 2025-03-12
+
+### Refactored
+- Simplify OAuth callback and deduplicate onboarder constants
+
+## [1.3.30] - 2025-03-11
+
+### Fixed
+- Register OAuth auth profile in openclaw.json config
+
+## [1.3.29] - 2025-03-10
+
+### Fixed
+- OAuth direct PKCE flow, mascot restore, auth window title bar
+
+## [1.3.28] - 2025-03-09
+
+### Fixed
+- OAuth login debugging + i18n key mismatch
+
+## [1.3.27] - 2025-03-08
+
+### Documentation
+- Add OpenAI OAuth design and implementation plan
+
+### Features
+- Add OpenAI OAuth (Codex) authentication support
+
+## [1.3.26] - 2025-03-07
+
+### Features
+- GitHub Star button added
+- Landing page hero layout improvement
+
+### Internationalization
+- Add multi-language (i18n) support (ko/en/ja/zh)
+
+## [1.3.25] - 2025-03-06
+
+### Fixed
+- WSL installation error message improvement and reboot loop fix
+
+### Fixed
+- Change landing page version badge API URL to current repository
+
+## [1.3.24] - 2025-03-05
+
+### Fixed
+- Use openclaw binary directly instead of npm exec
+
+## [1.3.23] - 2025-03-04
+
+### Documentation
+- Update README AI provider list
+
+### Fixed
+- Place GitHub/Open chat buttons on same line in landing page
+
+## [1.3.22] - 2025-03-03
+
+### Features
+- Add GitHub repository button to landing page
+
+## [1.3.21] - 2025-03-02
+
+### Features
+- Add Product Hunt badge (light theme)
+
+## [1.3.20] - 2025-03-01
+
+### Features
+- Add Product Hunt badge to landing page
+- Add demo GIF and reflect in README
+
+## [1.3.19] - 2025-02-28
+
+### Features
+- Global marketing: README internationalization, open source files, marketing content
+
+## [1.3.18] - 2025-02-27
+
+### Refactored
+- Translate Korean code comments to English for international contributors
+
+## [1.3.17] - 2025-02-26
+
+### Features
+- EasyCode landing page integration (Easy brand portal)
+
+### Fixed
+- Preserve cross-banner SVG and strengthen vercel rewrite
+
+### Refactored
+- Code review feedback: deduplication, caching, XSS reinforcement
+
+## [1.3.16] - 2025-02-25
+
+### Features
+- Landing page global SEO optimization and demo GIF addition
+
+## [1.3.15] - 2025-02-24
+
+### Features
+- Demo GIF addition
+
+## [1.3.14] - 2025-02-23
+
+### Documentation
+- Create CLAUDE.md with project guidance
+
+## [1.3.13] - 2025-02-22
+
+### Features
+- Add OpenClaw 1.0.0 changelog and release note
+
+## [1.3.12] - 2025-02-21
+
+### Features
+- Add OpenClaw 1.0.0 landing page
+
+## [1.3.11] - 2025-02-20
+
+### Features
+- Add macOS arm64 binary download support
+- Add auto-update functionality
+
+### Fixed
+- Fix Windows installation path handling
+
+## [1.3.10] - 2025-02-19
+
+### Features
+- Add OpenClaw installer for Windows, macOS, Linux
+
+## [1.3.9] - 2025-02-18
+
+### Features
+- Add code execution security settings in CLAUDE.md
+- Add project overview and core features in README
+
+## [1.3.8] - 2025-02-17
+
+### Documentation
+- Add comprehensive CLAUDE.md with development guidelines
+
+## [1.3.7] - 2025-02-16
+
+### Features
+- Add Feishu integration: bitable, doc, wiki, drive operations
+
+## [1.3.6] - 2025-02-15
+
+### Features
+- Add OpenClaw 1.0.0 preview features
+
+## [1.3.5] - 2025-02-14
+
+### Features
+- Add Claude Code integration
+
+## [1.0.1] - 2024-01-01
+
+### Initial Release
+- Initial release of EasyClaw - One-click installer for OpenClaw AI agent