mermaid-py v0.3.4

What's Changed

• Bump version 0.3.0 → 0.3.1 by @ouhammmourachid in #119
• Fix bumpactions by @ouhammmourachid in #120
• Update readme.md by @ouhammmourachid in #121
• Update readme.md by @ouhammmourachid in #122
• fix the image urls in the README.md file by @ouhammmourachid in #123

Full Changelog: v0.3.0...v0.3.4