deploy: 7c9208bfb3

integration.md

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+# Header only
+
+[`json.hpp`](https://github.com/nlohmann/json/blob/develop/single_include/nlohmann/json.hpp) is the single required
+file in `single_include/nlohmann` or [released here](https://github.com/nlohmann/json/releases). You need to add
+
+```cpp
+#include <nlohmann/json.hpp>
+
+// for convenience
+using json = nlohmann::json;
+```
+
+to the files you want to process JSON and set the necessary switches to enable C++11 (e.g., `-std=c++11` for GCC and
+Clang).
+
+You can further use file
+[`single_include/nlohmann/json_fwd.hpp`](https://github.com/nlohmann/json/blob/develop/single_include/nlohmann/json_fwd.hpp)
+for forward declarations.