Rewrote the particles to allow for more advanced particles.

+ Particles can now be detached from the object.
+ Each particle now has an own Lifetime, that can be controlled.
+ Particles can now appear in a continuous way.

SMCode/SM.Base/Time/Timer.cs

@@ -33,7 +33,7 @@ namespace SM.Base.Time
         /// <summary>
         ///     The target time in seconds.
         /// </summary>
-        public float Target { get; }
+        public float Target { get; set; }
 
         /// <summary>
         ///     The already elapsed time but normalized to the target.