Add moshx alias for ssh *x hosts, since mosh does not support RemoteCommand

bashrc

@@ -140,6 +140,12 @@ pless() {
     pcat "$@" | less -r
 }
 
+moshx() {
+    local host="$1"
+    local session="${2:-default}"
+    mosh -- "$host" sh -c "tmux attach -t '$session' || exec tmux new -s '$session'"
+}
+
 #
 # Environment
 #