changed get method to post method when adding a new item

Signed-off-by: Zach Klabunde <zbunde@gmail.com>
added id to the csv file

Signed-off-by: Zach Klabunde <zbunde@gmail.com>
added show page for items based on ID

Signed-off-by: Zach Klabunde <zbunde@gmail.com>
added edit page

Signed-off-by: Zach Klabunde <zbunde@gmail.com>
for zachs 1on1

Signed-off-by: Zach Klabunde <zbunde@gmail.com>