Tmux Refactor

Refactored tmux to it's own stow package and made it work with
the --dotfiles directive.

tmux/dot-config/tmux/tmux.conf

@@ -0,0 +1,11 @@
+set -g prefix ^A
+
+set -g @plugin 'fabioluciano/tmux-tokyo-night'
+set -g @plugin 'tmux-plugins/tpm'
+set -g @plugin 'tmux-plugins/tmux-sensible'
+
+set -g @theme_variation 'moon' 
+set -g @theme_disable_plugins 1
+#set -g @theme_plugin_datetime_format '%a %d %b %Y'
+
+run '~/.tmux/plugins/tpm/tpm'