make status_justify configurable (#145)

* make status_justify configurable

* added README

* moved below status_default

* refactor: pr comments

---------

Co-authored-by: Hamothy <58985301+sgoudham@users.noreply.github.com>
Co-authored-by: sgoudham <sgoudham@gmail.com>

README.md

@@ -258,6 +258,16 @@ Values:
 - icon - only the icon of the module will have color
 - all - the entire module will have the same color
 
+#### Set the status module justify value:
+```sh
+set -g @catppuccin_status_justify "left"
+```
+Values:
+- left 
+- centre - puts the window list in the relative centre of the available free space
+- right
+- absolute-centre - uses the centre of the entire horizontal space
+
 ### Pane
 
 ```sh

catppuccin.tmux

@@ -322,9 +322,11 @@ main() {
 
   # status
   local status_default=$(get_tmux_option "@catppuccin_status_default" "on")
+  local status_justify=$(get_tmux_option "@catppuccin_status_justify" "left")
+
   set status "$status_default"
+  set status-justify "$status_justify"
   set status-bg "${thm_bg}"
-  set status-justify "left"
   set status-left-length "100"
   set status-right-length "100"