Better copy and mouse handling

.config/alacritty/alacritty.toml

@@ -39,6 +39,12 @@ program = "alacritty"
 [scrolling]
 history = 0
 
+[selection]
+save_to_clipboard = false
+
+[terminal]
+osc52 = "OnlyCopy"
+
 [terminal.shell]
 args = ["-c", "$HOME/.tmux/tmux_attach.sh"]
 program = "/bin/zsh"