Add tmux config

.tmux.conf

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+unbind -a
+
+set -g default-terminal tmux
+set-option -sa terminal-features ',xterm:RGB'
+
+set-window-option -g mode-keys vi
+
+# bind to C-a
+set-option -g prefix C-a
+bind-key C-a send-prefix
+# switch panels
+# switch panes using Alt-arrow without prefix
+#bind-key -T prefix C-a switch-client -T prefix_ca
+bind-key -T prefix c new-window
+bind-key -T prefix h previous-window
+bind-key -T prefix l next-window
+bind-key -T prefix 0 select-window -t :0
+bind-key -T prefix 1 select-window -t :1
+bind-key -T prefix 2 select-window -t :2
+bind-key -T prefix 3 select-window -t :3
+bind-key -T prefix 4 select-window -t :4
+bind-key -T prefix 5 select-window -t :5
+bind-key -T prefix 6 select-window -t :6
+bind-key -T prefix 7 select-window -t :7
+bind-key -T prefix 8 select-window -t :8
+bind-key -T prefix 9 select-window -t :9
+# vi keybindings
+bind-key -T prefix '[' copy-mode
+bind-key -T copy-mode-vi 'v' send -X begin-selection
+bind-key -T copy-mode-vi 'y' send -X copy-selection-and-cancel
+bind-key -T prefix p paste-buffer
+#bind-key -T prefix S-h swap-window -t -1
+#bind-key -T prefix S-l swap-window -t +1
+# other
+# loud or quiet?
+set -g visual-activity off
+set -g visual-bell off
+set -g visual-silence off
+setw -g monitor-activity off
+set -g bell-action none
+
+#  modes
+setw -g clock-mode-colour colour5
+setw -g mode-style 'fg=colour1 bg=colour18 bold'
+
+# panes
+set -g pane-border-style 'fg=colour19 bg=colour0'
+set -g pane-active-border-style 'bg=colour0 fg=colour9'
+# statusbar
+set -g status-position bottom
+set -g status-justify left
+set -g status-style 'bg=colour18 fg=colour137 dim'
+set -g status-left ''
+set -g status-right '#[fg=colour233,bg=colour19] %d/%m #[fg=colour233,bg=colour8] %H:%M:%S '
+set -g status-right-length 50
+set -g status-left-length 20
+
+setw -g window-status-current-style 'fg=colour1 bg=colour19 bold'
+setw -g window-status-current-format ' #I#[fg=colour249]:#[fg=colour255]#W#[fg=colour249]#F '
+
+setw -g window-status-style 'fg=colour9 bg=colour18'
+setw -g window-status-format ' #I#[fg=colour237]:#[fg=colour250]#W#[fg=colour244]#F '
+
+setw -g window-status-bell-style 'fg=colour255 bg=colour1 bold'
+
+# messages
+set -g message-style 'fg=colour232 bg=colour16 bold'