* Added changes for RPC plugin
* Add missing kwargs
* Fix code format
* Loading refactors by introducing is_distributed var, fix optimizer step flow
* Add rpc guard
* Added docstrings and typing
* resolve comments
* Add additional rpc hook, refactor name of exit process hook for clarity
* remove annotation
* Modify behaviour to allow optional return, add test for rpc plugin
* resolve tests
* rename is_ddp_based
* update
* update for windows
* update
* resolve test
* code smell
* Revert back to init_ddp_connection for backwards compat
* Swap to explicit name for property
* Add missing speed parity increase for CI variability, fix call counts for child process
Co-authored-by: tchaton <thomas@grid.ai>