chuniio: Add input config

chuniio/config.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include <stddef.h>
+#include <stdint.h>
+
+struct chuni_io_config {
+    uint8_t vk_test;
+    uint8_t vk_service;
+    uint8_t vk_coin;
+    uint8_t vk_ir;
+    uint8_t vk_cell[32];
+};
+
+void chuni_io_config_load(
+        struct chuni_io_config *cfg,
+        const wchar_t *filename);