Create README.md

Author: nickkraakman

README.md

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+# LonelyLens
+Transform fisheye images to equirectangular projections for use in VR players.
+
+![LonelyLens](https://headjack.io/files/gifs/LonelyLens.gif)
+
+## Usage
+The latest `LonelyLens.unitypackage` is available from the [releases](https://github.com/headjack-dev/LonelyLens/releases) page.
+
+You can also clone and use the `headjack-dev/LonelyLens` git repository directly in a Unity project. 
+
+Inside, you find a shader, a C# script to enhance performance, and an example scene. You can configure the transformation using the `Angle` º fisheye  and `Width` sliders.
+
+`Angle` is the FOV of the fisheye lens used to shoot the image, for example 250º or 180º.
+
+`Width` is the % of the total image frame the fisheye capture covers, see image below.
+
+![LonelyLens width](https://headjack.io/files/gifs/LonelyLens-width.png)
+
+For example, if the image frame is 2000 pixels wide, and the widest point of the fiseye capture is 1600px, then the `Width` slider should be set to `80%` (1600/2000).