add images to designing schemas
add images to sqlzoo
add solutions to sqlzoo
add solutions to design schemas
add release 0 for solo challenge week 7
add release 1 for solo challenge week 7
add release 2 for solo challenge week 7
add release 3 jpg for solo challenge week 7
add reflection to solo challenge week 7
add release 0 1 2 3 to intro to sqlite
add release 4 5 to intro to sqlite
add week7 blogs