* fix: init menu item settings only when added manually from inspector
* fix: init menu item settings when added from some shortcuts
* fix: init menu item settings when reset from context menu
* fix: init merge animator settings only when added manually from inspector
* chore: rearrange package structure to have the package at the root
* ci: update CI workflows
* ci: fixing workflow bugs
* ci: recurse building .zip package
* ci: more fixes
* ci: add back in the nadena.dev VPM repo
* ci: fix tests