Update keyboards/xd75/keymaps/buzzlighter1/readme.md

Co-Authored-By: Joel Challis <git@zvecr.com>

keyboards/xd75/keymaps/buzzlighter1/readme.md

@@ -8,6 +8,8 @@ FN_CAPS provides fast F-keys access while gaming. Lefthanded Numpad operation.
 NKRO is working (forced).
 
 ## QWERTY
+
+```c
  * .--------------------------------------------------------------------------------------------------------------------------------------.
  * | GESC   | 1      | 2      | 3      | 4      | 5      | 6      | 7      | 8      | 9      | 0      | -      | =      | Del    | BACKSP |
  * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+-----------------|