Keymap: added keys to broswen keymap (#3825)

* added PGUP and PGDN to my keymap

* added VOLU VOLD and MUTE to keymap

keyboards/iris/keymaps/broswen/keymap.c

@@ -45,7 +45,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   //,----+----+----+----+----+----.              ,----+----+----+----+----+----.
          ,    ,    ,    ,    ,    ,                   ,    ,    ,    ,    ,    ,
   //|----+----+----+----+----+----|              |----+----+----+----+----+----|
-         ,    ,    ,    ,    ,    ,                   ,    ,    ,    ,    ,    ,
+         ,    ,    ,    ,    ,    ,                   ,PGDN,PGUP,    ,    ,    ,
   //|----+----+----+----+----+----|              |----+----+----+----+----+----|
          ,TILD,PIPE,MINS,PLUS,    ,               LEFT,DOWN, UP ,RGHT,    ,    ,
   //|----+----+----+----+----+----+----.    ,----|----+----+----+----+----+----|
@@ -59,9 +59,9 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   //,----+----+----+----+----+----.              ,----+----+----+----+----+----.
      F12 , F1 , F2 , F3 , F4 , F5 ,                F6 , F7 , F8 , F9 ,F10 ,F11 ,
   //|----+----+----+----+----+----|              |----+----+----+----+----+----|
-         ,    ,    ,    ,    ,    ,                   ,    ,    ,    ,    ,    ,
+         ,    ,    ,    ,    ,    ,                   ,    ,    ,    ,    ,F12 ,
   //|----+----+----+----+----+----|              |----+----+----+----+----+----|
-         ,    ,    ,    ,   ,     ,                   ,    ,    ,    ,    ,    ,
+         ,    ,    ,    ,   ,     ,               MUTE,VOLD,VOLU,    ,    ,    ,
   //|----+----+----+----+----+----+----.    ,----|----+----+----+----+----+----|
          ,    ,    ,    ,    ,    ,    ,         ,    ,    ,    ,    ,    ,    ,
   //`----+----+----+--+-+----+----+----/    \----+----+----+----+----+----+----'