show 4 spaces in place of tab in Terminal

Author: FoamyGuy

shared-module/terminalio/Terminal.c

@@ -226,7 +226,11 @@ size_t common_hal_terminalio_terminal_write(terminalio_terminal_obj_t *self, con
         if (c < 0x20) {
             if (c == '\r') {
                 self->cursor_x = 0;
-            } else if (c == '\n') {
+            } else if (c == '\t'){
+              for (uint8_t space_i = 0; space_i < 4; space_i++){
+                terminalio_terminal_set_tile(self, false, ' ', true);
+              }
+            }else if (c == '\n') {
                 self->cursor_y++;
                 // Commands below are used by MicroPython in the REPL
             } else if (c == '\b') {