Create or update the CHANGELOG.md file based on recent git commits. Instructions: - First, check if CHANGELOG.md already exists in the repository - If it exists, check when it was last updated (using git log on the file) - Analyze git commits since the last update, up to the last 7 days (maximum 20 commits) - If it doesn't exist, analyze commits from the last 7 days (maximum 20 commits) - Update or create CHANGELOG.md with relevant high-level features and bug fixes - Keep the same level of detail and format as the existing file (if present) - Focus on user-facing changes, features, and important bug fixes - Open this as a draft PR when complete