A simple config loader test.

tests/config.cpp

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+#include <catch2/catch_test_macros.hpp>
+#include "config.hpp"
+#include <iostream>
+
+TEST_CASE("confirm basic config loader ops", "[config]") {
+  Config config("assets/devices.json");
+  auto data_list = config.json();
+
+
+  for(auto& [key, data] : data_list.items()) {
+    auto wide1 = config.wstring(key, "name");
+    auto& comps = data["components"];
+
+    for(auto& comp_data : comps) {
+      REQUIRE(comp_data.contains("_type"));
+    }
+  }
+}