added a few tips to the README that may be unhelpful to everyone who comes across them
added a few tips to the README that may be unhelpful to everyone who comes across them

metamaps/metamaps_mobile,metamaps/metamaps,metamaps/metamaps_gen002,metamaps/metamaps,metamaps/metamaps_gen002,metamaps/metamaps_gen002,metamaps/metamaps_mobile,metamaps/metamaps,metamaps/metamaps,metamaps/metamaps_gen002