docs(extras): fix typo in kitty setup instructions (#184)

Author: m4saurabh

extras/kitty/README.md

@@ -2,7 +2,7 @@
 
 ### Install
 
-1. Place `cyberdream.conf` or `cyberdream-light.confg` under `~/.config/kitty/themes`
+1. Place `cyberdream.conf` or `cyberdream-light.conf` under `~/.config/kitty/themes`
 2. Open `kitty` and run the command `:theme cyberdream` or `:theme cyberdream-light`
 3. If you want permanently to use the theme, add this to your `~/.config/kitty/kitty.conf`: