updated README and help text

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "remux"
-version = "0.3.2"
+version = "0.3.3"
 edition = "2021"
 authors = [ "Valerie Wolfe <sleeplessval@gmail.com>" ]
 description = "A friendly command shortener for tmux"

README.md

@@ -47,8 +47,7 @@ tmux swi -t foo
 rmux s foo
 
 #	cd to session path
-tmux run 'printf "#{session_path}" > /tmp/tmux_path'
-cd `cat /tmp/tmux_path`
+cd `tmux display-mes -p "#{session_path}"`
 cd `rmux p`
 
 ```

src/help.rs

@@ -25,6 +25,7 @@ commands:
 
    path       print session path (session)
    switch     switch to another session (session)
+   which      print session title (session)
 
 Use 'remux help <command>' to see detailed help text for each command.
 
@@ -126,6 +127,16 @@ flags:
    -r, --read-only        Attach the target session as read-only."),
 
 
+		Some("w" | "which" | "title")
+			=>
+println!("remux which
+Print the title of the current session.
+
+usage: remux which
+       remux w
+       remux title"),
+
+
 //	TOPIC HELP
 
 		Some("env" | "vars")