[FEATURE] {{dl-color }} - {{ New variables }}

[rotemshaham]

Please add the following variables:

dl-color-rainbow-1 dl-color-rainbow-2 dl-color-rainbow-3 dl-color-rainbow-4 dl-color-rainbow-5 dl-color-rainbow-6 dl-color-rainbow-7 dl-color-rainbow-8 dl-color-rainbow-9 dl-color-rainbow-10 dl-color-rainbow-11 dl-color-rainbow-12

Update the variable of dl-color-shadow (in the dark theme only)

link to Figma: https://www.figma.com/file/UTx83SSFrIOohMzG9e2rAj/dataloop-design-system?type=design&node-id=1038-3353&mode=design