public static void copy(Reader reader, Writer writer) throws IOException {
		copy(reader, writer, newCharBuffer());
	}
Transfers content of {@link Reader} into {@link Writer}.

@param reader
		Reader to transfer content from.
@param writer
		Writer to transfer content to.

@throws IOException
		When any I/O error occurs.
@see IOUtil#newCharBuffer()
recaf-core/src/main/java/software/coley/recaf/util/IOUtil.java