gridmode patch

- Apply gridmode patch
- Add patch link to README
- Add new layout keybinding to man page

config.h

@@ -44,6 +44,7 @@ static const float mfact     = 0.55; /* factor of master area size [0.05..0.95]
 static const int nmaster     = 1;    /* number of clients in master area */
 static const int resizehints = 1;    /* 1 means respect size hints in tiled resizals */
 
+#include "layouts.c"
 static const Layout layouts[] = {
 	/* symbol     arrange function */
 	{ "[]=",      tile },    /* first entry is default */
@@ -51,6 +52,7 @@ static const Layout layouts[] = {
 	{ "[M]",      monocle },
 	{ "|M|",      centeredmaster },
 	{ ">M>",      centeredfloatingmaster },
+	{ "HHH",      grid },
 };
 
 /* key definitions */
@@ -83,6 +85,7 @@ static const char *playernextcmd[]		= { "playerctl", "--player=playerctld", "nex
 static const char *playerprevcmd[]		= { "playerctl", "--player=playerctld", "previous",   NULL };
 static const char *flameshotcmd[]		= { "flameshot", "gui",	NULL };
 
+/* key definitions */
 static Key keys[] = {
 	/* modifier				key							function		argument */
 	{ MODKEY,				XK_p,						spawn,          {.v = rofiruncmd} },
@@ -108,6 +111,7 @@ static Key keys[] = {
 	{ MODKEY,               XK_m,						setlayout,      {.v = &layouts[2]} },
 	{ MODKEY,				XK_u,						setlayout,		{.v = &layouts[3]} },
 	{ MODKEY,				XK_o,						setlayout,		{.v = &layouts[4]} },
+	{ MODKEY,				XK_g,						setlayout,		{.v = &layouts[5]} },
 	{ MODKEY,               XK_space,					setlayout,      {0} },
 	{ MODKEY|ShiftMask,     XK_space,					togglefloating, {0} },
 	{ MODKEY,               XK_0,						view,           {.ui = ~0} },