v0.5.6

What's Changed

• add logo and copybutton by @PythonFZ in #751
• Update README.md by @PythonFZ in #752
• Improve plots by @PythonFZ in #756
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #744
• bump flask release by @PythonFZ in #673
• put geometry on the COM by @PythonFZ in #759
• update default camera position by @PythonFZ in #760

Full Changelog: v0.5.5...v0.5.6