add/remove of items to local storage

- add new items
- delete items
- style font icons added
feature add item

- add item to collection
- collection styled
Revert "feature add item"

This reverts commit abeedc1ac33b342be1a113b613d2691a14a82f92.
Updated map file
Update to fix saving model on complete toggle
app styling

- title and logo
- icon hovers
- less code tidy
cursor added on hover
clear completed items
Merge pull request #4 from kirsty-hames/feature/addItem

Feature/add item/clear completed items