* added package command from orbit as fleetctl command
* update deployment docs
* add changes file
* added tests for package command, run go mod tidy & go mod verify
* validate that package files exist
* comment out msi packaging test until we can investigate github runner permission issues
* Add safe mkdirall and open
* Use secure as much as possible and merge gomodules for orbit to fleet
* Improve openfile and mkdirall to check for permissiveness instead of equality
* Don't shift
* Fix links
* Address review comments