Use std::istream in the usage demo

[d-b-w]

In README.md

[torcolvin]

auto?

[e-kwsm]

maeparser/Reader.hpp

Lines 24 to 30 in 05fb831

	Reader(FILE* file, size_t buffer_size = BufferLoader::DEFAULT_SIZE);
	Reader(std::shared_ptr<std::istream> stream,
	size_t buffer_size = BufferLoader::DEFAULT_SIZE);
	Reader(const std::string& fname,
	size_t buffer_size = BufferLoader::DEFAULT_SIZE);

Therefore,

#include <fstream>
auto f = std::make_shared<std::ifstream>("test.mae");

Or pass by std::string as @JarrettSJohnson commented.

[JarrettSJohnson]

Would it make sense to drop the file pointer altogether and use:

schrodinger::mae::Reader r{"test.mae"};

[e-kwsm]

diff --git a/README.md b/README.md
index dd2ee02dcc30..c6a6c9ee92d0 100644
--- a/README.md
+++ b/README.md
@@ -26 +25,0 @@ while ((b = r.next("f_m_ct")) != nullptr) {
-fclose(f);