added orx-object-fit

orx-object-fit/README.md

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+# orx-object-fit
+
+Fits images in frames with two options, contain and cover. Similar to CSS object-fit (https://www.w3schools.com/css/css3_object-fit.asp)
+
+## usage
+
+`objectFit(img: ColorBuffer, x: Double, y: Double, w: Double, h: Double, fitMethod, horizontalPosition:Double, verticalPosition:Double)`
+
+
+objectFitType
+ - `contain`
+ - `cover`
+ 
+horizontal values
+ - left ... right
+ - `-1.0` ... `1.0`
+ 
+ vertical values
+ - top ... bottom
+ - `-1.0` ... `1.0`