Remove assumption that user is imalison

dotfiles/config/alacritty/alacritty.toml

@@ -1,5 +1,5 @@
 [general]
-import = ["/home/imalison/.config/alacritty/themes/themes/dracula.toml"]
+import = ["~/.config/alacritty/themes/themes/dracula.toml"]
 
 [font]
 size = 8

dotfiles/lib/bin/brightness_manager.py

@@ -78,8 +78,9 @@ def build_parser():
 
 if __name__ == '__main__':
     args = build_parser().parse_args()
-    symlink_path = os.readlink("/home/imalison/.config/brightness_manager/symlink")
+    symlink_path = os.path.expanduser("~/.config/brightness_manager/symlink")
     if os.path.exists(symlink_path):
+        symlink_path = os.readlink(symlink_path)
         manager = BrightnessManager.from_path(symlink_path)
     else:
         manager = BrightnessManager.find_brightness()