add solution diagram
add solution diagram

STSILABS/fda-sandbox,STSILABS/fda-sandbox,STSILABS/fda-sandbox,STSILABS/open-fda,STSILABS/open-fda,STSILABS/open-fda,STSILABS/open-fda,STSILABS/fda-sandbox,STSILABS/open-fda,STSILABS/fda-sandbox