Add a console with a reboot command

Couldn't just call the component "console" as that conflicted with the
ESP-IDF component, so opted for "console-wrapper".

main/CMakeLists.txt

@@ -1,5 +1,5 @@
 idf_component_register(
   SRCS "main.c"
   INCLUDE_DIRS "."
-  REQUIRES display settings
+  REQUIRES console_wrapper display settings
 )

main/main.c

@@ -3,11 +3,13 @@
  * Copyright (c) Camden Dixie O'Brien
  */
 
+#include "console.h"
 #include "display.h"
 #include "settings.h"
 
 void app_main(void)
 {
+	console_init();
 	settings_init();
 	display_init();
 }