tmux: Place resurrect files in XDG_DATA_HOME

Unfortunately I need to hardcode XDG_DATA_HOME as resurrect-dir does not
support environment variables except for HOME and HOSTNAME.

.config/tmux/tmux.conf

@@ -208,6 +208,9 @@ set -g @plugin 'tmux-plugins/tmux-sensible'
 set -g @plugin 'tmux-plugins/tpm'
 set -g @plugin 'vim-tmux-navigator'
 
+# XDG compliance
+# NOTE: Does not support environment variables except for HOME and HOSTNAME
+set -g @resurrect-dir "$HOME/.local/share/tmux/resurrect"
 # Capture pane content
 set -g @resurrect-capture-pane-contents 'on'
 # Change keybindings