Add make config back and update to use wg0 vpn interface which is available on all devices

config.h

@@ -63,9 +63,11 @@ static const char unknown_str[] = "";
  */
 static const struct arg args[] = {
 	/* function format          argument */
-	{ load_avg,    " %s |",                  NULL },
+	{ load_avg,		" %s |",		NULL		},
-	{ ram_used,    " %sB /",                 NULL },
+	{ ram_used,		" %sB /",		NULL		},
-	{ ram_free,    " %sB |",                 NULL },
+	{ ram_free,		" %sB |",		NULL		},
-	{ uptime,      " %s |",                  NULL },
+	{ netspeed_rx,		" %sB/s",		"wg0"		},
-	{ datetime,    " %s ",          "%a %d/%m %T" },
+	{ netspeed_tx,		" %sB/s |",		"wg0"		},
+	{ uptime,		" %s |",		NULL		},
+	{ datetime,		" %s ",			"%a %d/%m %T"	},
 };

config.mk

@@ -0,0 +1,20 @@
+# slstatus version
+VERSION = 0
+
+# customize below to fit your system
+
+# paths
+PREFIX = /usr/local
+MANPREFIX = $(PREFIX)/share/man
+
+X11INC = /usr/X11R6/include
+X11LIB = /usr/X11R6/lib
+
+# flags
+CPPFLAGS = -I$(X11INC) -D_DEFAULT_SOURCE
+CFLAGS   = -std=c99 -pedantic -Wall -Wextra -Os
+LDFLAGS  = -L$(X11LIB) -s
+LDLIBS   = -lX11
+
+# compiler and linker
+CC = cc