Fix: true color support in tmux and over SSH

auto/tmux/.tmux.conf

@@ -1,6 +1,7 @@
 set -g clock-mode-style 12
 set -g default-command "${SHELL}"
 set -g default-terminal "tmux-256color"
+set -as terminal-features ",xterm-256color:RGB"
 set -g history-limit 10000
 set -g prefix C-q
 set -sg escape-time 25