added a semi-functional job board to readme, until something better is conceived
added a semi-functional job board to readme, until something better is conceived

belenbarrospena/jobs,simonv3/osd-job-board,opensourcedesign/jobs,uchchishta/jobs,belenbarrospena/jobs,opensourcedesign/jobs,simonv3/osd-job-board,guaka/jobs,guaka/jobs,uchchishta/jobs