Create README.md

Author: elgar328

tools/loopControl/README.md

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+# loopControl
+
+Creates a dialog box that allows you to pause or break from an infinite while loop.
+
+
+<img width="300" src="https://github.com/elgar328/matlab-code-examples/assets/93251045/9ce3dd5d-dcb6-43d3-9046-092336fb8069"> 
+<br>
+<img width="500" src="https://github.com/elgar328/matlab-code-examples/assets/93251045/a367f96f-0f48-43ec-aedf-c1fc7d445fa5">