chore(work): update session commands regarding session script modifications

Add a simple README to document it

modules/home-manager/cli/tmux/default.nix

@@ -52,7 +52,7 @@ in
         bind -n M-F4 if 'tmux has-session -t 4' {switch-client -t 4} {display-popup -E -E 'create-tmux-session -i 4'}
 
         # Alt+F10 for launching my Nix project
-        bind -n M-F10 run 'create-tmux-session -n config -p nix "run:nvim ." vsplit:20'
+        bind -n M-F10 run 'create-tmux-session -n config -r nix "run:nvim ." vsplit:20'
 
         # change window with Alt+{1..5}
         bind -n -N "Goto window 1" M-1 select-window -T -t 1

modules/home-manager/cli/tmux/files/create-tmux-session.sh

@@ -71,7 +71,7 @@ process_args() {
       SESSION_NAME="$2"
       shift
       ;;
-    -p | --repository-name | --repo)
+    -r | --repository-name | --repo)
       PROJECT="$2"
       shift
       ;;