v0.4.0

Changelog

• c0259a7 Merge pull request #3 from flowmi-ai/refactor/simplify-output-format
• 9cc38e9 fix: stale comment and trailing blank lines from review
• 7e60e3e refactor(scrape): remove redundant text field, return markdown only
• d431786 refactor: replace -o/--output format flag with --json boolean