feat: support inferFontWeights on google provider#249

hi-ogawa wants to merge 2 commits intounjs:mainunjs/unifont:mainfrom

hi-ogawa:09-28-feat_support_inferfontweights_on_google_providerhi-ogawa/unifont:09-28-feat_support_inferfontweights_on_google_providerCopy head branch name to clipboard