picom config and dwm added keybind to change master window

dwm/dwm/config.h

@@ -88,7 +88,7 @@ static const Key keys[] = {
 	{ MODKEY,                       XK_d,      incnmaster,     {.i = -1 } },
 	{ MODKEY,                       XK_h,      setmfact,       {.f = -0.05} },
 	{ MODKEY,                       XK_l,      setmfact,       {.f = +0.05} },
-	// { MODKEY,                       XK_Return, zoom,           {0} },
+	{ MODKEY,                       XK_w, zoom,           {0} },
 	{ MODKEY,                       XK_Tab,    view,           {0} },
 	{ MODKEY,             XK_q,      killclient,     {0} },
 	{ MODKEY,                       XK_t,      setlayout,      {.v = &layouts[0]} },