Insanely huge initial commit

Assets/Extensions/Feel/MMTools/Demos/MMObservable/MMObservableDemoSubject.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace MoreMountains.Tools
+{
+	/// <summary>
+	/// A test class used to demonstrate how MMObservable works in the MMObservableTest demo scene  
+	/// </summary>
+	public class MMObservableDemoSubject : MonoBehaviour
+	{
+		/// a public float we expose, outputting the x position of our object
+		public MMObservable<float> PositionX = new MMObservable<float>();
+
+		/// <summary>
+		/// On Update we update our x position
+		/// </summary>
+		protected virtual void Update()
+		{
+			PositionX.Value = this.transform.position.x;
+		}
+	}
+}