docs: add doc for bson_uint32_to_string(3)
docs: add doc for bson_uint32_to_string(3)

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