* move out compute command to separate module
* introduce ArcComputeCommand
* stateless tracker now returns reference to arc upon insertion
* add insert_merge_single to buffer tracker
* compute pass execution now works internally with an ArcComputeCommand
* compute pass execution now translates Command to ArcCommand ahead of time
* don't clone commands in compute pass execution
* remove doc hiding
* use option insert
* clippy fix
* fix private doc issue
* remove unnecessary copied over doc hide