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README.md

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+# rei-cpp
+> [!warning]
+> This is a work in progress, not stable and the API might change.
+
+A C++ JSON library.
+
+## Example
+
+```cpp
+#include "rei-json/json.h"
+#include <print>
+
+int main() {
+	auto objectJson = rei::json::JsonObject{};
+	objectJson
+		.set("keyPositiveNumber", 12)
+		.set("keyNegativeNumber", -13)
+		.set("keyBooleanTrue", true)
+		.set("keyBooleanFalse", false)
+		.set("keyString", "YEP")
+		.set("keyEmptyString", "")
+		.setNull("keyNull");
+
+	rei::json::JsonObject obj{};
+	obj.set("keyNumberOnObject", 42);
+
+	rei::json::JsonArray array{};
+	array.push(42);
+	array.push("elemString");
+	array.push("");
+	array.push(true);
+	array.push(false);
+	array.pushNull();
+
+	objectJson.addObject("keyObject", std::move(obj));
+	objectJson.addArray("keyArray", std::move(array));
+
+	auto newJsonString = rei::json::toString(objectJson);
+	std::println("{}\n", newJsonString);
+
+	return 0;
+}
+```
+