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/zellij/config.kdl

@@ -228,7 +228,7 @@ plugins {
 // Options:
 //   - true
 //   - false (default)
-serialize_pane_viewport true
+// serialize_pane_viewport true
 
 // Scrollback lines to serialize along with the pane viewport when serializing sessions, 0
 // defaults to the scrollback size. If this number is higher than the scrollback size, it will
@@ -262,7 +262,7 @@ themes {
 theme "carbonfox"
 
 // The name of the default layout to load on startup
-Default: "compact"
+// Default: "compact"
 //
 default_layout "compact"