new readme file

README.md

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+# brightness
+
+Simple python script to change display brightness on active display using xrandr and xdotool.
+
+## Setup Instructions
+
+### Requirements
+
+* python3
+* xrandr
+* xdotool
+
+### Setup
+
+```sh
+git clone git@0cd.xyz:michael/brightness.git
+```
+
+create settings file with your display IDs
+
+```json
+{
+    "display0" : "DP-2",
+    "display1" : "DP-1"
+}
+```
+
+run script with
+
+```sh
+Usage: ./brightness.py [+|-]
+brightness + # increases brightness
+brightness - # decreases brightness
+```