added readme

Author: sum-catnip

Readme.md

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+# Borderlesser
+
+Play all your Games in Borderless, Fullscreen, Windowed or whatevs.
+If you don't want the fancy configuration options, just ignore them. the Defaults should be fine for borderless gaming (but i do recommend turning autostart on)).
+
+## Installation
+
+Just extract the zip in your Programs Folder or somewhere else i don't care. It should be noted that its not a single file anymore so your desktop prolly isn't the right place.
+
+Also if you want to move it later, you need to turn autostart off and on again to register the new executable path.
+
+## Usage
+
+Just set a hotkey and optionally a modifier and close it. It will go in your tray where you can either double click to open the configuration window again or just leave and ignore it.
+
+The from and to XY values set the size and position of the window. E.x.: FromXY (1920, 0) ToXY (3840, 1080) makes it cover the second screen. If its still not clear look at the image below.
+
+![image of size and position options](https://i.imgur.com/LVFx4rj.jpg)
+
+The [Window Style](https://docs.microsoft.com/en-us/windows/desktop/winmsg/window-styles) and [Window Style Extended](https://docs.microsoft.com/en-us/windows/desktop/winmsg/extended-window-styles) flags give give you more control on the window appearance. Take a look at the provided links to get a description of what every flag does.
+
+## Screenshot
+![screenshot of program](https://i.imgur.com/deGsant.png)
+
+## License
+[MIT](https://choosealicense.com/licenses/mit/)