added issues & pull requests & dependencies stats to README
added issues & pull requests & dependencies stats to README

rlugojr/jsonlintdotcom,arc90/jsonlintdotcom,robbrucker/jsonlintdotcom,circlecell/jsonlintdotcom,robbrucker/jsonlintdotcom,arc90/jsonlintdotcom,arc90/jsonlintdotcom,circlecell/jsonlintdotcom,circlecell/jsonlintdotcom,rlugojr/jsonlintdotcom,rlugojr/jsonlintdotcom