Resolve "Add drag-drop / swap feature on tiles"

Closes #6

See merge request !7

Resolve "Upgrade tiles to clean object"

Closes #8

See merge request !5

Resolve "Add loading indicator when splitting/shuffling image"

Closes #10

See merge request !6

Resolve "Add manage images scripts"

Closes #5

See merge request !4

Resolve "Add split/shuffle tiles feature"

Closes #3

See merge request !3

Resolve "Add select image page"

Closes #2

See merge request !2

Resolve "Init empty application"

Closes #1

See merge request !1