added 0200-12-28-start-id.md file for issue276 to add iD Editor to navigation of beginning chapters
added 0200-12-28-start-id.md file for issue276 to add iD Editor to navigation of beginning chapters

Nick-Tallguy/Nick-Tallguy.github.io,Anwaario/Nick-Tallguy.github.io,althio/learnosm,feyeandal/test,jmarlena/learnosm-ux-staging-site,furaidochikin/learnosm,jmarlena/learnosm-ux-staging-site,furaidochikin/learnosm,furaidochikin/learnosm,jmarlena/learnosm-ux-staging-site,jmarlena/learnosm,feyeandal/test,Anwaario/Nick-Tallguy.github.io,hotosm/learnosm,althio/learnosm,Anwaario/Nick-Tallguy.github.io,jmarlena/learnosm-ux-staging-site,Nick-Tallguy/Nick-Tallguy.github.io,althio/learnosm,hotosm/learnosm,althio/learnosm,Nick-Tallguy/Nick-Tallguy.github.io,jmarlena/learnosm,Nick-Tallguy/Nick-Tallguy.github.io,furaidochikin/learnosm,feyeandal/test,jmarlena/learnosm,Anwaario/Nick-Tallguy.github.io,feyeandal/test,Nick-Tallguy/Nick-Tallguy.github.io,hotosm/learnosm,jmarlena/learnosm,hotosm/learnosm