[Move] to utils

Signed-off-by: oleg komarov <o.komarov11@imperial.ac.uk>
[Add] properly add empty data

Signed-off-by: oleg komarov <o.komarov11@imperial.ac.uk>
[Add] importBackdrop

Signed-off-by: oleg komarov <o.komarov11@imperial.ac.uk>
[Add] toggle spinner

Signed-off-by: oleg komarov <o.komarov11@imperial.ac.uk>
[Add] path to utils

Signed-off-by: oleg komarov <o.komarov11@imperial.ac.uk>
[Add] license for data

Signed-off-by: oleg komarov <o.komarov11@imperial.ac.uk>
[Fix] trend

Signed-off-by: oleg komarov <o.komarov11@imperial.ac.uk>