Add build status icon to the readme
Add build status icon to the readme

keinkurt/picoFeed,miniflux/picoFeed,quasipickle/picoFeed,mkresin/picoFeed,djbshfbzehr/picoFeed,emmanuelroecker/picoFeed,hdhoang/picoFeed,djbshfbzehr/picoFeed,MorrisJobke/picoFeed,fguillot/picoFeed,Chman/picoFeed,inscriptionweb/picoFeed,songfj/picoFeed