Process Monitor - initial POC implementation

This is probably overengineered. The same could be done cross platform only using Processes.GetProcesses. I did it this way because initially i wanted to use Wmi events for process start and stop. This requires admin though, so i decided to not use it.

src/Artemis.Core/Services/ProcessMonitor/Events/ProcessEventArgs.cs

@@ -0,0 +1,14 @@
+using System;
+
+namespace Artemis.Core.Services
+{
+    public class ProcessEventArgs : EventArgs
+    {
+        public string ProcessName { get; }
+
+        public ProcessEventArgs(string name)
+        {
+            ProcessName = name;
+        }
+    }
+}