Create prompt module

hosts/marauder/default.nix

@@ -2,6 +2,7 @@
 {
   imports = [
     self.nixosModules.common
+    self.nixosModules.prompt
     ./backup.nix
   ];
 
@@ -80,19 +81,6 @@
     obsidian
   ];
 
-  programs.bash = {
-    promptInit = ''
-      PS1="\[\e]0;\u@\h: \w\a\]" # window title
-      PS1+="\n"
-      PS1+="\$(printf \"%*s\" \$((\$COLUMNS + 9)) \"\[\e[1;33m\]\$(git branch --show-current 2>/dev/null)\")" # git branch
-      PS1+="\[\e[1G\]" # move cursor to beginning of line
-      PS1+="💜" # prompt symbol
-      PS1+="\[\033[1;$((UID ? 32 : 31))m\]" # prompt color
-      PS1+="[\u@\h:\w]\\$"
-      PS1+="\[\033[0m\] " # reset color
-    '';
-  };
-
   programs.steam = {
     enable = true;
     remotePlay.openFirewall = true;
@@ -120,6 +108,8 @@
     enable = true;
   };
 
+  promptEmoji = "💜";
+
   time.timeZone = "America/Los_Angeles";
 
   system.stateVersion = "24.05";