update zellij layout and fix whichkey

- alacritty: add cursor style
- nvim: fix which-key, add colorizer, add debugger, update plugins
- zellij: revamp layouts
- starship: change prompt

Signed-off-by: Avinal Kumar <avinal.xlvii@gmail.com>

.config/nvim/lua/kickstart/plugins/debug.lua

@@ -42,6 +42,7 @@ return {
       ensure_installed = {
         -- Update this to ensure that you have the debuggers for the langs you want
         'delve',
+        'cpptools',
       },
     }