docs(changelog): add v0.3.5 entry with Markdown support and Windows tweaks

- Document added features like Markdown editing and PowerShell install snippets
- Include changes for logging, directory handling, and MIME types
- Note fixes for comment removal, file endings, and response cleaning
- Add v0.3.4 entry for Windows support

CHANGELOG.md

@@ -1,3 +1,27 @@
+## [v0.3.5] - 2026-03-30
+
+Now with Markdown editing flair and Windows install tweaks!
+
+### Added
+- Add support for editing Markdown files using a tailored technical writer prompt.
+- Add PowerShell quick install snippet to release notes.
+- Include PowerShell install script in release build artifacts.
+- Add entry for v0.3.4 to changelog with Windows support details.
+
+### Changed
+- Simplify logging setup and remove unnecessary comments in analyze command.
+- Improve directory skipping logic in source file discovery.
+- Add error handling and include Git remotes in project context building.
+- Simplify removal of "last modified" comments by direct slice append.
+- Update MIME type detection to include .ps1 files as text/plain.
+- Remove unnecessary comments from release workflow script.
+- Ensure changelog entries include cross-platform consistency notes.
+
+### Fixed
+- Implement removal of "last modified" comments in edit command by filtering lines case-insensitively.
+- Add missing newline at end of edited files to avoid Git warnings.
+- Adjust response cleaning for Markdown files and use CleanCodeResponse for code files.
+- Remove nolint comment and unnecessary line skipping in comment removal function.
 ## [v0.3.4] - 2026-03-30
 
 Windows users, your PowerShell dreams just came true.