✨ clearer: clear screen + scrollback buffer

clearer

@@ -0,0 +1,7 @@
+#!/bin/sh
+# clear screen + scrollback buffer
+
+ansi_erase_screen='\e[2J'
+ansi_erase_saved_lines='\e[3J'
+ansi_move_to_home_pos='\e[H'
+printf "${ansi_erase_screen}${ansi_erase_saved_lines}${ansi_move_to_home_pos}"