tmux: Allow C-h to still be passed

Some programs (e.g. the UEFI shell) expect it for backspace.

.config/tmux/tmux.conf

@@ -78,6 +78,11 @@ bind -n M-J resize-pane -D
 bind -n M-K resize-pane -U
 bind -n M-L resize-pane -R
 
+# Allow C-h to still be passed (when programs expect it as backspace, e.g. UEFI
+# shell)
+bind -r -T selfinsert C-h send-keys C-h
+bind C-v switch-client -T selfinsert
+
 # Resize panes with Alt-Shift-<arrow>
 bind -n M-S-Left resize-pane -L
 bind -n M-S-Up resize-pane -D