Added Support for Structured Bindings 

For further details, read https://github.com/nlohmann/json/issues/1388 and https://blog.tartanllama.xyz/structured-bindings/

Add a SFINAE friendly iterator_traits and use that instead.

Feature/add file input adapter

refactor unit test in case of throw, the fclose will not be called. using unique_ptr with custom destructor will ensure that

Add the possibility of using FILE * from cstdio library to read a file. This enable the possibility of using low eand device with this library.

Add the possibility of using FILE * from cstdio library to read a file. This enable the possibility of using low eand device with this library.

Link to issue #958 broken

recommend using explicit from JSON conversions

readme: fix typo

Set eofbit on exhausted input stream.

Allow installation via Meson

Fix merge_patch shadow warning