* init adr 042: state sync * link to blockchain reactor * brapse proposal * formatting * response to feedback * Update docs/architecture/adr-042-state-sync.md Co-Authored-By: Aditya <adityasripal@gmail.com> * Update security models and more * clarify compression * typo * Update docs/architecture/adr-042-state-sync.md Co-Authored-By: Anton Kaliaev <anton.kalyaev@gmail.com>