README: remove structure docs in readme and direct to examples and doc dir.
README: remove structure docs in readme and direct to examples and doc dir.

remicollet/libbson,ksuarz/libbson,bjori/libbson,derickr/libbson,rcsanchez97/libbson,ksuarz/libbson,remicollet/libbson,mapr/libbson,mapr/libbson,mongodbinc-interns/libbson,Machyne/libbson,alexeyvo/libbson,jqk6/libbson,ksuarz/libbson,mongodbinc-interns/libbson,jqk6/libbson,Convey-Compliance/libbson,derickr/libbson,paulmelnikow/libbson,jqk6/libbson,mongodb/libbson,mongodb/libbson,mongodbinc-interns/libbson,rayyang2000/libbson,paulmelnikow/libbson,rcsanchez97/libbson,alexeyvo/libbson,jqk6/libbson,mongodbinc-interns/libbson,Machyne/libbson,4Second2None/libbson_tmp,remicollet/libbson,rayyang2000/libbson,ajdavis/libbson,rcsanchez97/libbson,ajdavis/libbson,alexeyvo/libbson,rayyang2000/libbson,4Second2None/libbson_tmp,paulmelnikow/libbson,bjori/libbson,derickr/libbson,paulmelnikow/libbson,mongodb/libbson,Machyne/libbson,remicollet/libbson,bjori/libbson,mapr/libbson,4Second2None/libbson_tmp,Convey-Compliance/libbson,4Second2None/libbson_tmp,Convey-Compliance/libbson,rayyang2000/libbson,Machyne/libbson,ajdavis/libbson,paulmelnikow/libbson,derickr/libbson