Release v0.2.0

Focus on editor stability, performance improvements for large cells, and enhancements to editing workflow.

What's Changed

• deleting cells | loading editor cells in radius | various bug fixes by @liamhendricks in #2
• Manager start enhancements by @liamhendricks in #3
• load all nearby cells on start by @liamhendricks in #4
• one simple trick... then large cell loading is drastically improved by @liamhendricks in #5

Full Changelog: v0.1.2...v0.2.0