chore(tmux): reorganize keybindings and config loading

.config/tmux/tmux.conf

@@ -1,6 +1,2 @@
-bind r source-file ~/.tmux.conf \; display "Reloaded tmux config";
-
-set -g prefix C-y
-
 source-file ~/.config/tmux/tmux.conf.d/plugins.conf
 source-file ~/.config/tmux/tmux.conf.d/keybinds.conf

.config/tmux/tmux.conf.d/keybinds.conf

@@ -1,7 +1,9 @@
+set -g prefix C-y
+bind-key r source-file ~/.tmux.conf \; display "Reloaded tmux config";
 bind-key c detach
 
+bind-key f  set-option -g mouse \; display-message 'Mouse #{?mouse,on,off}'
+
 bind-key a previous-window
 bind-key d next-window
 bind-key n new-window
-
-bind-key f  set-option -g mouse \; display-message 'Mouse #{?mouse,on,off}'