add few themes options in tmux configuration (commented out)

.tmux.conf

@@ -25,6 +25,7 @@ set-option -g history-limit 100000
 set-option -g renumber-windows on
 
 set -g default-terminal "tmux-256color"
+#set -g utf8 on
 # hack pour profiter du scroll du terminal (xterm ...)
 set -g terminal-overrides 'xterm*:smcup@:rmcup@'
 
@@ -113,6 +114,37 @@ set -g @plugin 'tmux-plugins/tmux-resurrect'
 set -g @plugin 'tmux-plugins/tmux-continuum'
 set -g @plugin 'tmux-plugins/tmux-open'
 
+#####
+# pre-defined themes
+# Tokyo theme: 
+#set -g @plugin 'fabioluciano/tmux-tokyo-night'
+## Tokyo Night Theme configuration
+#set -g @theme_variation 'moon'
+#set -g @theme_left_separator ''
+#set -g @theme_right_separator ''
+
+# Themepack: 
+#set -g @plugin 'jimeh/tmux-themepack'
+# themepack configuration
+#set -g @themepack 'basic'
+#set -g @themepack 'powerline/block/cyan'
+
+# Nord theme: https://github.com/nordtheme/tmux
+#set -g @plugin "nordtheme/tmux"
+
+# Gruvbox theme: https://github.com/egel/tmux-gruvbox
+#set -g @plugin 'egel/tmux-gruvbox'
+#set -g @tmux-gruvbox 'dark' # or 'light'
+
+# Nova theme: https://github.com/o0th/tmux-nova
+#set -g @plugin 'o0th/tmux-nova'
+
+# colors-solarized theme: https://github.com/seebi/tmux-colors-solarized
+#set -g @plugin 'seebi/tmux-colors-solarized'
+
+
+#####
+
 # Other examples:
 # set -g @plugin 'github_username/plugin_name'
 # set -g @plugin 'github_username/plugin_name#branch'