add requirements to README
add requirements to README

daande/slanger,markburns/slanger,amvse/slanger,stevegraham/slanger,shaicoleman/slanger,loggator/slanger,ambrish123456/testSlanger,carlos-ramos-mojix-com/slanger,ambrish123456/testSlanger,markburns/slanger,jiren/slanger,notnoopci/slanger,stevegraham/slanger,daande/slanger,shaicoleman/slanger,carlos-ramos-mojix-com/slanger,notnoopci/slanger,loggator/slanger,amvse/slanger,jiren/slanger