Add support for different OS package managers; simplify some logic

src_files/.local/bin/.tmux-session-hydrate

@@ -1,5 +1,3 @@
-#!/bin/zsh
-
 local omitted_dirs=(
     $HOME
     $HOMEBOX
@@ -13,3 +11,11 @@ local omitted_dirs=(
 
 clear
 
+## example template for custom override
+# tmux new-window -d -n cmd
+# tmux send-keys -t :cmd "echo 'in cmd'" c-M
+# tmux new-window -d -n another
+# tmux send-keys -t :another "echo 'in another'" c-M
+# tmux rename-window $EDITOR
+# $EDITOR .
+# clear