Create README.md

README.md

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+# VRRTest
+A very small utility I wrote to test variable refresh rate on Linux. Should work on all major OSes.
+
+## Usage
+Just run the executable. Builds are provided for Windows and Linux (64-bit). You can download the LÖVE [https://love2d.org] runtime to run the .love file on any supported OS on any supported architecture.  
+* Up and down arrows will change the target FPS of the tool.  
+* Left and right arrows will change the amount of columns the screen is divided into.  
+* The f key toggles fullscreen.  
+* The b key toggles busy waiting. Having it on makes the framerate more precise, at the cost of a ton of battery and CPU utilization. Off by default.  
+
+## Screenshots
+I don't know why'd you want any. Still, here's one.  
+![Main and only screen of the tool](https://static.nixo.la/i/1550422559.png)