* Add simulations crate
* Firs working runner
* Cleanupt
* Extract overlay from runner
* Fix off id calls
* Fix testing values
* WIP: Tree overlay for simulation app
* Build tree overlay from depth and size
* Tree overlay generation tests
* WIP: Committee role in layout
* Use commtittee role when constructing node
* Pairprogramming role calculation
* WIP: Extract step runner to node
* Aggregate times from different overlay layers
* Runner for overlay with layers
* Use StepRng in runner tests
* Decouple role from node
* Define leader steps and behaviour
* Get possible node ids from the overlay
* Handle unknown state in flat overlay
* Use solver type for deserialization
* Remove refcell from nodes hashmap
* Create layout from the provided node ids
* Break runner loops into seperate functions
* Use for loop to collect node step times
* Revert leader times collection
* Add interegion latency tests
---------
Co-authored-by: danielsanchezq <sanchez.quiros.daniel@gmail.com>
Al Liu
Daniel Sanchez
gusto