- add getProcessById

Lib.ProcessManaging/Interfaces/IProcessManager.cs

@@ -12,6 +12,7 @@ namespace Lib.ProcessManaging.Interfaces
         List<IObservedProcess>? Processes { get; }
 
         void Initialize();
+        IObservedProcess? GetProcessById(int id);
 
         event EventHandler<IObservedProcess>? ProcessStarted;
         event EventHandler<IObservedProcess>? ProcessExited;