v4.2.0

What's Changed

• Improved README.md by @ysavary in #26
• Added django admin import/export by @ysavary in #27
• Removed mongodb dependency by @ysavary in #28
• Added windy import/export by @ysavary in #29
• Upgraded cicd by @ysavary in #30
• Fixed Dockerfile by @ysavary in #31

Full Changelog: v4.1.0...v4.2.0