v0.4.6

What's Changed

• [skip ci] local install over codespaces by @shimwell in #144
• update readme install by @shimwell in #145
• added li6 li7 tbr values by @shimwell in #146
• Tracks.write_tracks_to_vtk --> Tracks.write_to_vtk by @shimwell in #147
• general updates by @shimwell in #148
• updated docker build script by @shimwell in #149

Full Changelog: v0.4.5...v0.4.6