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

	Fix issue #1340.

        The eofbit is set manually since we don't go through the
	stream interface. We could maybe use the stream interface
	instead, but there are some assumptions regarding which
	exception go through, so this seems to be the most prudent
	approach for now.

Avoid shadowing a member of `this` by choosing the same name as
parameter (`-Wshadow`). Instead, make name of parameter more
expressive.

Fix EOL Whitespaces & CMake Spelling

Fix little leftover EOL whitespaces in `CMakeLists.txt` and
a spelling of CMake in README.md