Add README.md

segment's default duration is now not visible in the test - can easil…

…y change form 15 to anything

redis replaced postgres in planning module

since now modules and APIs are more stable, some tests are simplified…

… to in memory versions

 introduced private vs published events - which simplifies integratio…

…n with risk module

risk saga changed after introducing private events

risk module introduced - without saga implementation

risk saga implemented

project types test scenarios from event storming now working

some modules emit events