Revert "Update alacritty - config format"

This reverts commit 9259e7b2ba.

dotfiles/.config/alacritty/alacritty.toml

@@ -1,9 +1,9 @@
-[general]
+live_config_reload = true
+working_directory = "None"
+
 import = [
     "~/.config/alacritty/light.toml"
 ]
-live_config_reload = true
-working_directory = "None"
 
 [cursor]
 thickness = 0.2
@@ -414,7 +414,7 @@ history = 100000
 save_to_clipboard = true
 semantic_escape_chars = ",│`|:\"' ()[]{}<>\t"
 
-[terminal.shell]
+[shell]
 program = "/bin/bash"
 
 [window]