Add "new" and "edit" commands

templates/window.sh

@@ -0,0 +1,14 @@
+# Set custom window name. Default is based on filename.
+# window_name "Example Window"
+
+# Set a window root path. Default is `$session_root`.
+# window_root "~/Projects/example"
+
+# Create new window. Remove if you want to apply layout to current window.
+tmux new-window -t "$session" -n "$window"
+
+# Split window into panes.
+# tmux split-window -t "$session:$window.0" -h -p 20
+
+# Set active pane.
+# tmux select-pane -t "$session:$window.0"