FIX tmux configuration : session+prefix+tpm

ADD Nord Theme to tmux

modules/tmux.nix

@@ -2,19 +2,18 @@
 {
   programs.tmux = {
     enable = true;
-    shortcut = "a";
+    shortcut = "b";
     # aggressiveResize = true; -- Disabled to be iTerm-friendly
     baseIndex = 1;
-    newSession = true;
+#    newSession = true;
     # Stop tmux+escape craziness.
     escapeTime = 0;
-    # Force tmux to use /tmp for sockets (WSL2 compat)
-    secureSocket = false;
+    secureSocket = true;
 
     plugins = with pkgs; [
       tmuxPlugins.better-mouse-mode
       tmuxPlugins.sidebar
-#      tmuxPlugins.tmux-power
+      tmuxPlugins.nord
     ];
 
     extraConfig = ''
@@ -55,7 +54,7 @@
       set -g set-titles on
 
       # Attach to a session if runs otherwise create a new one
-      new-session -n $HOST
+      new-session -n DRI
     '';
   };